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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 = 'de' 
WHERE 
  cscart_images_links.object_type = 'product' 
  AND cscart_images_links.type = 'A' 
  AND cscart_images_links.object_id IN (
    9963, 381, 429, 9913, 9912, 10139, 9916, 
    9911, 10138, 10217, 10142, 10141
  ) 
ORDER BY 
  cscart_images_links.position, 
  cscart_images_links.pair_id

Query time 0.00099

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		18	Using index condition; Using filesort
1	SIMPLE	cscart_images	eq_ref	PRIMARY	PRIMARY	3	mahm3t_cs443.cscart_images_links.image_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

Result

pair_id	object_id	object_type	detailed_id	type
25374	9911	product	20961	A
25375	9911	product	20962	A
25377	9912	product	20964	A
25378	9913	product	20965	A
26127	381	product	21702	A
27253	10138	product	22828	A
27254	10138	product	22829	A
27255	10139	product	22830	A
27256	10139	product	22831	A
27261	10141	product	22836	A
27262	10141	product	22837	A
28276	9963	product	23851	A
30057	10142	product	25634	A
30058	10142	product	25635	A
30059	10142	product	25636	A
30060	10217	product	25637	A
30061	10217	product	25638	A
30062	10217	product	25639	A
30063	10138	product	25640	A
31395	9963	product	26973	A
31396	9963	product	26974	A
31397	9963	product	26975	A
31398	9963	product	26976	A
31702	9963	product	27280	A
31703	9963	product	27281	A
32523	429	product	28101	A
32524	429	product	28102	A
32525	429	product	28103	A
32526	429	product	28104	A
32527	429	product	28105	A
32528	429	product	28106	A