SELECT 
  cscart_images.*, 
  cscart_images_links.*, 
  cscart_common_descriptions.description AS alt, 
  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 = 'en' 
WHERE 
  cscart_images_links.object_type = 'product' 
  AND cscart_images_links.type = 'M' 
  AND cscart_images_links.object_id IN (
    12379, 12394, 12409, 12384, 12389, 12380, 
    12381, 12382, 12383, 519, 529, 539, 
    941, 951, 1002, 1013, 1024, 1035, 1045, 
    1129, 2724, 3303, 6861, 7010, 7247, 
    2495, 962, 1077, 524, 549, 520, 521, 
    522, 523, 4272, 4273, 4274, 4275, 4276, 
    7008, 3186, 3166, 3167, 3171, 3174, 
    3180, 3187, 3193, 3195, 3271, 3282, 
    6757, 6842, 7071, 7110, 7032, 7182
  ) 
ORDER BY 
  cscart_images_links.position, 
  cscart_images_links.pair_id

Query time 0.00450

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "141.11"
    },
    "ordering_operation": {
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "59.00"
      },
      "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": 59,
            "rows_produced_per_join": 59,
            "filtered": "100.00",
            "index_condition": "((`test2_gaseus`.`cscart_images_links`.`object_type` = 'product') and (`test2_gaseus`.`cscart_images_links`.`type` = 'M') and (`test2_gaseus`.`cscart_images_links`.`object_id` in (12379,12394,12409,12384,12389,12380,12381,12382,12383,519,529,539,941,951,1002,1013,1024,1035,1045,1129,2724,3303,6861,7010,7247,2495,962,1077,524,549,520,521,522,523,4272,4273,4274,4275,4276,7008,3186,3166,3167,3171,3174,3180,3187,3193,3195,3271,3282,6757,6842,7071,7110,7032,7182)))",
            "cost_info": {
              "read_cost": "34.91",
              "eval_cost": "5.90",
              "prefix_cost": "40.81",
              "data_read_per_join": "5K"
            },
            "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": "4",
            "ref": [
              "test2_gaseus.cscart_images_links.detailed_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 59,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "14.75",
              "eval_cost": "5.90",
              "prefix_cost": "61.46",
              "data_read_per_join": "45K"
            },
            "used_columns": [
              "image_id",
              "image_path",
              "image_x",
              "image_y",
              "is_high_res"
            ]
          }
        },
        {
          "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": "108",
            "ref": [
              "test2_gaseus.cscart_images.image_id",
              "const",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 59,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "14.75",
              "eval_cost": "5.90",
              "prefix_cost": "82.11",
              "data_read_per_join": "35K"
            },
            "used_columns": [
              "object_id",
              "description",
              "lang_code",
              "object_holder"
            ]
          }
        }
      ]
    }
  }
}