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 = 'se' 
WHERE 
  cscart_images_links.object_type = 'variant_image' 
  AND cscart_images_links.type = 'V' 
  AND cscart_images_links.object_id IN (
    20530, 20620, 20506, 20507, 20508, 20509, 
    20510, 20511, 20512, 20513, 20514, 
    20515, 20516, 20517, 20518, 20519, 
    20520, 20521, 20522, 20523, 20524, 
    20525, 20526, 20527, 20596, 20597, 
    20598, 20599, 20600, 20601, 20602, 
    20603, 20604, 20605, 20606, 20607, 
    20608, 20609, 20610, 20611, 20612, 
    20613, 20614, 20615, 20616, 20617, 
    20626, 20627, 20628, 20629, 20630, 
    20631, 20632, 20633, 20634, 20635, 
    20636, 20637, 20638, 20639, 20640, 
    20641, 20642, 20643, 20644, 20645, 
    20646, 20647
  ) 
ORDER BY 
  cscart_images_links.position, 
  cscart_images_links.pair_id

Query time 0.00159

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 68 Using index condition; Using filesort
1 SIMPLE cscart_images eq_ref PRIMARY PRIMARY 3 mahm3t_cs443.cscart_images_links.detailed_id 1 Using where
1 SIMPLE cscart_common_descriptions eq_ref PRIMARY PRIMARY 107 mahm3t_cs443.cscart_images.image_id,const,const 1 Using where