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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 (
    63377, 71592, 62401, 62405, 64531, 71723, 
    73070, 89946, 90135, 92703
  ) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00077

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		20	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	124870	62401	1	0.000	A	A	A	A
MP3	124878	62405	1	0.000	A	A	A	A
MP3	126822	63377	1	0.000	A	A	A	A
MP3	129130	64531	1	0.000	A	A	A	A
MP3	143698	71592	1	0.000	A	A	A	A
MP3	143960	71723	1	0.000	A	A	A	A
MP3	146654	73070	1	0.000	A	A	A	A
MP3	180428	89946	1	0.000	A	A	A	A
MP3	180806	90135	1	0.000	A	A	A	A
MP3	185942	92703	1	0.000	A	A	A	A
WAV	124871	62401	2	1.500	A	A	A	A
WAV	124879	62405	2	1.500	A	A	A	A
WAV	126823	63377	2	0.300	A	A	A	A
WAV	129131	64531	2	0.300	A	A	A	A
WAV	143699	71592	2	0.300	A	A	A	A
WAV	143961	71723	2	0.300	A	A	A	A
WAV	146655	73070	2	0.300	A	A	A	A
WAV	180429	89946	2	0.300	A	A	A	A
WAV	180807	90135	2	0.300	A	A	A	A
WAV	185943	92703	2	0.300	A	A	A	A