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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 (
    74414, 74413, 74412, 74411, 74410, 74409, 
    74408, 74402, 74401, 74404, 74403, 
    73810, 74302, 74293, 73796, 73578, 
    74185, 74184, 74183, 74179
  ) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00150

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	147670	73578	1	0.000	A	A	A	A
MP3	148106	73796	1	0.000	A	A	A	A
MP3	148134	73810	1	0.000	A	A	A	A
MP3	148872	74179	1	0.000	A	A	A	A
MP3	148880	74183	1	0.000	A	A	A	A
MP3	148882	74184	1	0.000	A	A	A	A
MP3	148884	74185	1	0.000	A	A	A	A
MP3	149100	74293	1	0.000	A	A	A	A
MP3	149118	74302	1	0.000	A	A	A	A
MP3	149316	74401	1	0.000	A	A	A	A
MP3	149318	74402	1	0.000	A	A	A	A
MP3	149320	74403	1	0.000	A	A	A	A
MP3	149322	74404	1	0.000	A	A	A	A
MP3	149330	74408	1	0.000	A	A	A	A
MP3	149332	74409	1	0.000	A	A	A	A
MP3	149334	74410	1	0.000	A	A	A	A
MP3	149336	74411	1	0.000	A	A	A	A
MP3	149338	74412	1	0.000	A	A	A	A
MP3	149340	74413	1	0.000	A	A	A	A
MP3	149342	74414	1	0.000	A	A	A	A
WAV	147671	73578	2	0.300	A	A	A	A
WAV	148107	73796	2	0.300	A	A	A	A
WAV	148135	73810	2	0.300	A	A	A	A
WAV	148873	74179	2	0.300	A	A	A	A
WAV	148881	74183	2	0.300	A	A	A	A
WAV	148883	74184	2	0.300	A	A	A	A
WAV	148885	74185	2	0.300	A	A	A	A
WAV	149101	74293	2	0.300	A	A	A	A
WAV	149119	74302	2	0.300	A	A	A	A
WAV	149317	74401	2	0.300	A	A	A	A
WAV	149319	74402	2	0.300	A	A	A	A
WAV	149321	74403	2	0.300	A	A	A	A
WAV	149323	74404	2	0.300	A	A	A	A
WAV	149331	74408	2	0.300	A	A	A	A
WAV	149333	74409	2	0.300	A	A	A	A
WAV	149335	74410	2	0.300	A	A	A	A
WAV	149337	74411	2	0.300	A	A	A	A
WAV	149339	74412	2	0.300	A	A	A	A
WAV	149341	74413	2	0.300	A	A	A	A
WAV	149343	74414	2	0.300	A	A	A	A