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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 (
    105993, 105992, 105991, 105990, 105989, 
    105988, 105987, 105986, 105985, 105983, 
    105982, 106350, 106349, 106209, 106208, 
    106447, 106446, 106445, 106444, 106443
  ) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00133

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	212500	105982	1	0.000	A	A	A	A
MP3	212502	105983	1	0.000	A	A	A	A
MP3	212506	105985	1	0.000	A	A	A	A
MP3	212508	105986	1	0.000	A	A	A	A
MP3	212510	105987	1	0.000	A	A	A	A
MP3	212512	105988	1	0.000	A	A	A	A
MP3	212514	105989	1	0.000	A	A	A	A
MP3	212516	105990	1	0.000	A	A	A	A
MP3	212518	105991	1	0.000	A	A	A	A
MP3	212520	105992	1	0.000	A	A	A	A
MP3	212522	105993	1	0.000	A	A	A	A
MP3	212952	106208	1	0.000	A	A	A	A
MP3	212954	106209	1	0.000	A	A	A	A
MP3	213234	106349	1	0.000	A	A	A	A
MP3	213236	106350	1	0.000	A	A	A	A
MP3	213422	106443	1	0.000	A	A	A	A
MP3	213424	106444	1	0.000	A	A	A	A
MP3	213426	106445	1	0.000	A	A	A	A
MP3	213428	106446	1	0.000	A	A	A	A
MP3	213430	106447	1	0.000	A	A	A	A
WAV	212501	105982	2	0.300	A	A	A	A
WAV	212503	105983	2	0.300	A	A	A	A
WAV	212507	105985	2	0.300	A	A	A	A
WAV	212509	105986	2	0.300	A	A	A	A
WAV	212511	105987	2	0.300	A	A	A	A
WAV	212513	105988	2	0.300	A	A	A	A
WAV	212515	105989	2	0.300	A	A	A	A
WAV	212517	105990	2	0.300	A	A	A	A
WAV	212519	105991	2	0.300	A	A	A	A
WAV	212521	105992	2	0.300	A	A	A	A
WAV	212523	105993	2	0.300	A	A	A	A
WAV	212953	106208	2	0.300	A	A	A	A
WAV	212955	106209	2	0.300	A	A	A	A
WAV	213235	106349	2	0.300	A	A	A	A
WAV	213237	106350	2	0.300	A	A	A	A
WAV	213423	106443	2	0.300	A	A	A	A
WAV	213425	106444	2	0.300	A	A	A	A
WAV	213427	106445	2	0.300	A	A	A	A
WAV	213429	106446	2	0.300	A	A	A	A
WAV	213431	106447	2	0.300	A	A	A	A