SELECT 
  c.* 
FROM 
  cscart_bm_containers as c 
WHERE 
  1 
  AND c.location_id = 40

Query time 0.00046

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "23.20"
    },
    "table": {
      "table_name": "c",
      "access_type": "ALL",
      "rows_examined_per_scan": 224,
      "rows_produced_per_join": 22,
      "filtered": "10.00",
      "cost_info": {
        "read_cost": "20.96",
        "eval_cost": "2.24",
        "prefix_cost": "23.20",
        "data_read_per_join": "8K"
      },
      "used_columns": [
        "container_id",
        "location_id",
        "position",
        "width",
        "user_class",
        "linked_to_default",
        "status"
      ],
      "attached_condition": "(`maniamall_cscart`.`c`.`location_id` = 40)"
    }
  }
}

Result