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 = 'en' 
WHERE 
  cscart_images_links.object_type = 'product' 
  AND cscart_images_links.type = 'A' 
  AND cscart_images_links.object_id = 64909 
ORDER BY 
  cscart_images_links.position, 
  cscart_images_links.pair_id

Query time 0.00056

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": "ref",
          "possible_keys": ["object_id"],
          "key": "object_id",
          "key_length": "81",
          "used_key_parts": ["object_id", "object_type", "type"],
          "ref": ["const", "const", "const"],
          "rows": 9,
          "filtered": 100,
          "index_condition": "cscart_images_links.object_type = 'product' and cscart_images_links.`type` = 'A'",
          "attached_condition": "cscart_images_links.object_id <=> 64909 and cscart_images_links.object_type <=> 'product' and cscart_images_links.`type` <=> 'A'"
        }
      }
    },
    "table": {
      "table_name": "cscart_images",
      "access_type": "eq_ref",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "3",
      "used_key_parts": ["image_id"],
      "ref": ["cscart_migrate.cscart_images_links.detailed_id"],
      "rows": 1,
      "filtered": 100,
      "attached_condition": "trigcond(cscart_images_links.detailed_id = cscart_images.image_id)"
    },
    "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": ["cscart_migrate.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))"
    }
  }
}

Result

pair_id object_id object_type image_id detailed_id type position image_type show_gallery gallery_category_id image_path alt image_x image_y images_image_id
46904 64909 product 0 59137 A 1 D 0 0 schoolhouse-drum-flush-opaque-stripe-none-buttery-yellow.jpg Drum Flush Mount, 500-Buttery Yellow, Opaque Glass, No Painted Band 1000 1000 59137
46905 64909 product 0 59138 A 2 D 0 0 schoolhouse-drum-flush-clear-stripe-PB8-jadite-bulb-chrome.jpg Drum Flush Mount, 311-Jadite, Clear Glass, Four Painted Band, 311-Jadite, Shown with G30 Half-Chrome Bulb 1000 1000 59138
46906 64909 product 0 59139 A 3 D 0 0 schoolhouse-drum-flush-opaque-stripe-PB7-delphite.jpg Drum Flush Mount, 715-Delphite Blue, Opaque Glass, Single Painted Band, 715-Delphite Blue 1000 1000 59139
46908 64909 product 0 59141 A 4 D 0 0 schoolhouse-drum-flush-clear-stripe-none-galvanized-bulb-1890.jpg Drum Flush Mount, 975-Galvanized, Clear Glass, No Painted Band, Shown with 1890 Edison Style Bulb 1000 1000 59141
46909 64909 product 0 59142 A 5 D 0 0 schoolhouse-drum-flush-clear-stripe-PB9-black-bulb-chrome.jpg Drum Flush Mount, 100-Black, Clear Glass, Seven Painted Band, 100-Black, Shown with G30 Half-Chrome Bulb 1000 1000 59142
64292 64909 product 0 76525 A 6 C 0 0 image8-residential-interior-bathroom-lighting-Drum-Schoolhouse-Flush-Mount-Opaque-705-Navy-PB8-Four-Painted-Bands-705-Navy_-_copy.jpeg Drum Flush Mount, Opaque, 705-Navy, PB8-Four Painted Bands, 705-Navy | Photo Courtesy of Homeowner 1484 1213 76525
65908 64909 product 0 78141 A 7 C 0 0 image4-residential-interior-lighting-bedroom-kid-Drum-Schoolhouse-Flush-Mount-Opaque-400-Barn-Red-PB8-Four-Painted-Band-400-Barn-Red.jpeg Drum Flush Mount, Opaque Glass, 400-Barn Red, PB4-Four Painted Bands, 400-Barn Red | Customer Submission 3024 4032 78141
64293 64909 product 0 76526 A 8 C 0 0 image6-residential-interior-bathroom-lighting-Drum-Schoolhouse-Flush-Mount-Opaque-705-Navy-PB8-Four-Painted-Bands-705-Navy.jpeg Drum Flush Mount, Opaque, 705-Navy, PB8-Four Painted Bands, 705-Navy | Photo Courtesy of Homeowner 1329 1515 76526
60056 64909 product 0 72289 A 9 C 0 0 Drum_Schoolhouse_Semi-Flush_Mount_Light_-_Barn_Light_Electric_-_Kitchen_Lighting.jpg Drum Flush Mount, 307-Emerald Green Fitter, Opaque Glass, Four Painted Band in 307-Emerald Green | Photo Courtesy of Chris Rune 2268 4032 72289