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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 (
    98762, 98761, 96733, 96732, 96470, 96340, 
    96321, 96319, 96317, 96316, 98612, 
    96465, 96284, 96279, 96278, 96307, 
    96306, 96305, 96304, 96303
  ) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00152

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	193092	96278	1	0.000	A	A	A	A
MP3	193094	96279	1	0.000	A	A	A	A
MP3	193104	96284	1	0.000	A	A	A	A
MP3	193142	96303	1	0.000	A	A	A	A
MP3	193144	96304	1	0.000	A	A	A	A
MP3	193146	96305	1	0.000	A	A	A	A
MP3	193148	96306	1	0.000	A	A	A	A
MP3	193150	96307	1	0.000	A	A	A	A
MP3	193168	96316	1	0.000	A	A	A	A
MP3	193170	96317	1	0.000	A	A	A	A
MP3	193174	96319	1	0.000	A	A	A	A
MP3	193178	96321	1	0.000	A	A	A	A
MP3	193216	96340	1	0.000	A	A	A	A
MP3	193466	96465	1	0.000	A	A	A	A
MP3	193476	96470	1	0.000	A	A	A	A
MP3	194000	96732	1	0.000	A	A	A	A
MP3	194002	96733	1	0.000	A	A	A	A
MP3	197760	98612	1	0.000	A	A	A	A
MP3	198058	98761	1	0.000	A	A	A	A
MP3	198060	98762	1	0.000	A	A	A	A
WAV	193093	96278	2	0.300	A	A	A	A
WAV	193095	96279	2	0.300	A	A	A	A
WAV	193105	96284	2	0.300	A	A	A	A
WAV	193143	96303	2	0.300	A	A	A	A
WAV	193145	96304	2	0.300	A	A	A	A
WAV	193147	96305	2	0.300	A	A	A	A
WAV	193149	96306	2	0.300	A	A	A	A
WAV	193151	96307	2	0.300	A	A	A	A
WAV	193169	96316	2	0.300	A	A	A	A
WAV	193171	96317	2	0.300	A	A	A	A
WAV	193175	96319	2	0.300	A	A	A	A
WAV	193179	96321	2	0.300	A	A	A	A
WAV	193217	96340	2	0.300	A	A	A	A
WAV	193467	96465	2	0.300	A	A	A	A
WAV	193477	96470	2	0.300	A	A	A	A
WAV	194001	96732	2	0.300	A	A	A	A
WAV	194003	96733	2	0.300	A	A	A	A
WAV	197761	98612	2	0.300	A	A	A	A
WAV	198059	98761	2	0.300	A	A	A	A
WAV	198061	98762	2	0.300	A	A	A	A