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.image_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 = 'variant_image' 
  AND cscart_images_links.type = 'V' 
  AND cscart_images_links.object_id IN (
    '3656', '3657', '4081', '4082', '4083', 
    '4084', '5904', '5905', '5906', '5907', 
    '5908', '5909', '5910', '5911', '5912', 
    '5913', '5914', '5915', '3422', '3421', 
    '3660', '4059', '3658', '3659', '4058', 
    '4079', '4080'
  ) 
ORDER BY 
  cscart_images_links.position, 
  cscart_images_links.pair_id

Query time 0.00058

JSON explain

{
  "query_block": {
    "select_id": 1,
    "read_sorted_file": {
      "filesort": {
        "sort_key": "cscart_images_links.position, cscart_images_links.pair_id",
        "table": {
          "table_name": "cscart_images_links",
          "access_type": "range",
          "possible_keys": ["object_id"],
          "key": "object_id",
          "key_length": "81",
          "used_key_parts": ["object_id", "object_type", "type"],
          "rows": 27,
          "filtered": 100,
          "index_condition": "cscart_images_links.object_type = 'variant_image' and cscart_images_links.`type` = 'V' and cscart_images_links.object_id in ('3656','3657','4081','4082','4083','4084','5904','5905','5906','5907','5908','5909','5910','5911','5912','5913','5914','5915','3422','3421','3660','4059','3658','3659','4058','4079','4080')"
        }
      }
    },
    "table": {
      "table_name": "cscart_images",
      "access_type": "eq_ref",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "4",
      "used_key_parts": ["image_id"],
      "ref": ["rfswire_cart.cscart_images_links.image_id"],
      "rows": 1,
      "filtered": 100
    },
    "table": {
      "table_name": "cscart_common_descriptions",
      "access_type": "eq_ref",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "107",
      "used_key_parts": ["object_id", "lang_code", "object_holder"],
      "ref": ["rfswire_cart.cscart_images.image_id", "const", "const"],
      "rows": 1,
      "filtered": 100,
      "attached_condition": "trigcond(cscart_common_descriptions.object_id = cscart_images.image_id and cscart_common_descriptions.object_holder = 'images' and cscart_common_descriptions.lang_code = 'en' and trigcond(cscart_images.image_id is not null))"
    }
  }
}