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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 (
    186428, 186429, 186448, 186449, 187700, 
    187701, 187702, 187703, 187704, 187705, 
    187706, 187707, 187708, 187709, 187710, 
    187711, 187712, 187713, 187714, 187715, 
    187716, 187717, 187718, 187719, 187720, 
    187721, 187722, 187723, 187724, 187725, 
    187726, 187727, 187728, 187729, 187730, 
    187731, 187732, 187733, 187734, 187735
  ) 
ORDER BY 
  cscart_images_links.position, 
  cscart_images_links.pair_id

Query time 0.00035

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