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SELECT 
  b.variant_name, 
  a.*, 
  IF(
    shared_option_variants.variant_id IS NOT NULL, 
    shared_option_variants.modifier, 
    a.modifier
  ) as modifier, 
  IF(
    shared_option_variants.variant_id IS NOT NULL, 
    shared_option_variants.modifier_type, 
    a.modifier_type
  ) as modifier_type 
FROM 
  cscart_product_option_variants AS a 
  LEFT JOIN cscart_product_option_variants_descriptions AS b ON b.variant_id = a.variant_id 
  AND b.lang_code = 'en' 
  LEFT JOIN cscart_ult_product_option_variants shared_option_variants ON shared_option_variants.variant_id = a.variant_id 
  AND shared_option_variants.company_id = 1 
WHERE 
  1 
  AND a.option_id IN (
    90264, 90263, 90262, 90261, 90260, 90259, 
    90258, 90257, 90256, 90255, 90254, 
    90253, 90252, 90251, 90250, 90249, 
    90317, 90310, 90089, 90088
  ) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00110

Explain
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	a	range	status,option_id,option_id_2	option_id	6		40	Using index condition; Using filesort
1	SIMPLE	b	eq_ref	PRIMARY	PRIMARY	9	toolboxdigitalshop_dev.a.variant_id,const	1	Using where
1	SIMPLE	shared_option_variants	eq_ref	PRIMARY,company_id	PRIMARY	7	toolboxdigitalshop_dev.a.variant_id,const	1

Result

variant_name	variant_id	option_id	position	modifier	modifier_type	weight_modifier_type	point_modifier_type	status
MP3	180712	90088	1	0.000	A	A	A	A
MP3	180714	90089	1	0.000	A	A	A	A
MP3	181034	90249	1	0.000	A	A	A	A
MP3	181036	90250	1	0.000	A	A	A	A
MP3	181038	90251	1	0.000	A	A	A	A
MP3	181040	90252	1	0.000	A	A	A	A
MP3	181042	90253	1	0.000	A	A	A	A
MP3	181044	90254	1	0.000	A	A	A	A
MP3	181046	90255	1	0.000	A	A	A	A
MP3	181048	90256	1	0.000	A	A	A	A
MP3	181050	90257	1	0.000	A	A	A	A
MP3	181052	90258	1	0.000	A	A	A	A
MP3	181054	90259	1	0.000	A	A	A	A
MP3	181056	90260	1	0.000	A	A	A	A
MP3	181058	90261	1	0.000	A	A	A	A
MP3	181060	90262	1	0.000	A	A	A	A
MP3	181062	90263	1	0.000	A	A	A	A
MP3	181064	90264	1	0.000	A	A	A	A
MP3	181156	90310	1	0.000	A	A	A	A
MP3	181170	90317	1	0.000	A	A	A	A
WAV	180713	90088	2	0.300	A	A	A	A
WAV	180715	90089	2	0.300	A	A	A	A
WAV	181035	90249	2	0.300	A	A	A	A
WAV	181037	90250	2	0.300	A	A	A	A
WAV	181039	90251	2	0.300	A	A	A	A
WAV	181041	90252	2	0.300	A	A	A	A
WAV	181043	90253	2	0.300	A	A	A	A
WAV	181045	90254	2	0.300	A	A	A	A
WAV	181047	90255	2	0.300	A	A	A	A
WAV	181049	90256	2	0.300	A	A	A	A
WAV	181051	90257	2	0.300	A	A	A	A
WAV	181053	90258	2	0.300	A	A	A	A
WAV	181055	90259	2	0.300	A	A	A	A
WAV	181057	90260	2	0.300	A	A	A	A
WAV	181059	90261	2	0.300	A	A	A	A
WAV	181061	90262	2	0.300	A	A	A	A
WAV	181063	90263	2	0.300	A	A	A	A
WAV	181065	90264	2	0.300	A	A	A	A
WAV	181157	90310	2	0.300	A	A	A	A
WAV	181171	90317	2	0.300	A	A	A	A