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.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 (
    206100, 206101, 206102, 206103, 206104, 
    206105, 206106, 206107, 206122, 206123, 
    206124, 206125, 206138, 206139, 206140, 
    206141, 206148, 206149, 206162, 206163, 
    206164, 206165, 206166, 206167, 206872, 
    206873, 206874, 206875, 206990, 206991, 
    206992, 206993, 207020, 207021, 207258, 
    207259, 207492, 207493, 207718, 207719
  ) 
ORDER BY 
  cscart_images_links.position, 
  cscart_images_links.pair_id

Query time 0.00052

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE cscart_images_links range object_id object_id 81 40 Using index condition; Using filesort
1 SIMPLE cscart_images eq_ref PRIMARY PRIMARY 4 toolboxdigitalshop_dev.cscart_images_links.image_id 1
1 SIMPLE cscart_common_descriptions eq_ref PRIMARY PRIMARY 108 toolboxdigitalshop_dev.cscart_images.image_id,const,const 1 Using where