Sandbox

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 (
    90497, 90149, 89698, 87579, 83864, 90498, 
    89802, 87444, 90443, 90442, 90441, 
    90438, 90412, 90282, 90248, 90188, 
    90150, 90147, 89532, 89511
  ) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00139

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	168264	83864	1	0.000	A	A	A	A
MP3	175424	87444	1	0.000	A	A	A	A
MP3	175694	87579	1	0.000	A	A	A	A
MP3	179558	89511	1	0.000	A	A	A	A
MP3	179600	89532	1	0.000	A	A	A	A
MP3	179932	89698	1	0.000	A	A	A	A
MP3	180140	89802	1	0.000	A	A	A	A
MP3	180830	90147	1	0.000	A	A	A	A
MP3	180834	90149	1	0.000	A	A	A	A
MP3	180836	90150	1	0.000	A	A	A	A
MP3	180912	90188	1	0.000	A	A	A	A
MP3	181032	90248	1	0.000	A	A	A	A
MP3	181100	90282	1	0.000	A	A	A	A
MP3	181360	90412	1	0.000	A	A	A	A
MP3	181412	90438	1	0.000	A	A	A	A
MP3	181418	90441	1	0.000	A	A	A	A
MP3	181420	90442	1	0.000	A	A	A	A
MP3	181422	90443	1	0.000	A	A	A	A
MP3	181530	90497	1	0.000	A	A	A	A
MP3	181532	90498	1	0.000	A	A	A	A
WAV	168265	83864	2	0.300	A	A	A	A
WAV	175425	87444	2	0.300	A	A	A	A
WAV	175695	87579	2	0.300	A	A	A	A
WAV	179559	89511	2	0.300	A	A	A	A
WAV	179601	89532	2	0.300	A	A	A	A
WAV	179933	89698	2	0.300	A	A	A	A
WAV	180141	89802	2	0.300	A	A	A	A
WAV	180831	90147	2	0.300	A	A	A	A
WAV	180835	90149	2	0.300	A	A	A	A
WAV	180837	90150	2	0.300	A	A	A	A
WAV	180913	90188	2	0.300	A	A	A	A
WAV	181033	90248	2	0.300	A	A	A	A
WAV	181101	90282	2	0.300	A	A	A	A
WAV	181361	90412	2	0.300	A	A	A	A
WAV	181413	90438	2	0.300	A	A	A	A
WAV	181419	90441	2	0.300	A	A	A	A
WAV	181421	90442	2	0.300	A	A	A	A
WAV	181423	90443	2	0.300	A	A	A	A
WAV	181531	90497	2	0.300	A	A	A	A
WAV	181533	90498	2	0.300	A	A	A	A