SELECT 
  cscart_images_links.*, 
  cscart_images.image_path, 
  cscart_common_descriptions.description AS alt, 
  cscart_images.image_x, 
  cscart_images.image_y, 
  cscart_images.image_id as images_image_id 
FROM 
  cscart_images_links 
  LEFT JOIN cscart_images ON cscart_images_links.detailed_id = cscart_images.image_id 
  LEFT JOIN cscart_common_descriptions ON cscart_common_descriptions.object_id = cscart_images.image_id 
  AND cscart_common_descriptions.object_holder = 'images' 
  AND cscart_common_descriptions.lang_code = 'ro' 
WHERE 
  cscart_images_links.object_type = 'category' 
  AND cscart_images_links.type = 'M' 
  AND cscart_images_links.object_id IN (
    33868, 33903, 33865, 33856, 36185, 2474, 
    2554, 2463, 918, 2960, 6638, 912, 6578, 
    5393, 5152, 5521, 16633, 2890, 23795
  ) 
ORDER BY 
  cscart_images_links.position, 
  cscart_images_links.pair_id

Query time 0.00310

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "99.22"
    },
    "ordering_operation": {
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "19.00"
      },
      "nested_loop": [
        {
          "table": {
            "table_name": "cscart_images_links",
            "access_type": "range",
            "possible_keys": [
              "object_id"
            ],
            "key": "object_id",
            "used_key_parts": [
              "object_id",
              "object_type",
              "type"
            ],
            "key_length": "81",
            "rows_examined_per_scan": 19,
            "rows_produced_per_join": 19,
            "filtered": "100.00",
            "index_condition": "((`maniamall_cscart`.`cscart_images_links`.`object_type` = 'category') and (`maniamall_cscart`.`cscart_images_links`.`type` = 'M') and (`maniamall_cscart`.`cscart_images_links`.`object_id` in (33868,33903,33865,33856,36185,2474,2554,2463,918,2960,6638,912,6578,5393,5152,5521,16633,2890,23795)))",
            "cost_info": {
              "read_cost": "37.92",
              "eval_cost": "1.90",
              "prefix_cost": "39.82",
              "data_read_per_join": "1K"
            },
            "used_columns": [
              "pair_id",
              "object_id",
              "object_type",
              "image_id",
              "detailed_id",
              "type",
              "position"
            ]
          }
        },
        {
          "table": {
            "table_name": "cscart_images",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "image_id"
            ],
            "key_length": "3",
            "ref": [
              "maniamall_cscart.cscart_images_links.detailed_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 19,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "18.56",
              "eval_cost": "1.90",
              "prefix_cost": "60.28",
              "data_read_per_join": "14K"
            },
            "used_columns": [
              "image_id",
              "image_path",
              "image_x",
              "image_y"
            ],
            "attached_condition": "<if>(is_not_null_compl(cscart_images), (`maniamall_cscart`.`cscart_images_links`.`detailed_id` = `maniamall_cscart`.`cscart_images`.`image_id`), true)"
          }
        },
        {
          "table": {
            "table_name": "cscart_common_descriptions",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "object_id",
              "lang_code",
              "object_holder"
            ],
            "key_length": "107",
            "ref": [
              "maniamall_cscart.cscart_images.image_id",
              "const",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 19,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "18.04",
              "eval_cost": "1.90",
              "prefix_cost": "80.22",
              "data_read_per_join": "11K"
            },
            "used_columns": [
              "object_id",
              "description",
              "lang_code",
              "object_holder"
            ],
            "attached_condition": "<if>(is_not_null_compl(cscart_common_descriptions), (`maniamall_cscart`.`cscart_common_descriptions`.`object_id` = `maniamall_cscart`.`cscart_images`.`image_id`), true)"
          }
        }
      ]
    }
  }
}

Result

pair_id object_id object_type image_id detailed_id type position image_path alt image_x image_y images_image_id
8722 912 category 0 8959 M 0 jucarii-de-plus.jpg 900 959 8959
8759 918 category 0 8996 M 0 jucarii-antistres.jpg 900 959 8996
79228 2463 category 0 79465 M 0 jocuri-si-accesorii.jpg 500 500 79465
79881 2474 category 0 80118 M 0 articole-copii.jpg 388 313 80118
84605 2554 category 0 84842 M 0 biciclete-si-triciclete-copii.jpg 850 850 84842
102837 2890 category 0 103074 M 0 puzzle-din-lemn.jpg 900 959 103074
104330 2960 category 0 104567 M 0 jucarii-bebelusi.jpg 800 800 104567
265469 5152 category 0 265706 M 0 masini-cu-telecomanda.jpg 370 370 265706
322122 5393 category 0 322359 M 0 jucarii-interactive.jpg 370 370 322359
345334 5521 category 0 345571 M 0 masinute-electrice.jpg 1183 1000 345571
547209 6578 category 0 547446 M 0 jucarii-diverse.jpg 1620 1080 547446
564475 6638 category 0 564712 M 0 jucarii-de-exterior.jpg 568 499 564712
1589319 16633 category 0 1589556 M 0 mese-biliard.jpg 1500 1125 1589556
3121140 33856 category 0 3121393 M 0 Jucarii-din-Lemn.jpg Jucarii din Lemn 960 960 3121393
3121383 33865 category 0 3121636 M 0 Jocuri-de-Indemanare.jpg Jocuri de Indemanare 400 400 3121636
3121455 33868 category 0 3121708 M 0 Centre-de-Activitate.jpg Centre de Activitate 600 592 3121708
3134628 33903 category 0 3134881 M 0 Jocuri-cu-Carti.jpg Jocuri cu Carti 945 593 3134881
3468835 36185 category 0 3469088 M 0 Jucarii-Indemanare.jpg Jucarii Indemanare 480 480 3469088