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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 (
    82931, 83715, 83672, 83671, 83667, 83487, 
    83484, 83483, 83482, 83481, 83480, 
    83479, 83478, 83477, 82976, 82975, 
    82974, 82973, 82972, 82971
  ) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00086

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	166398	82931	1	0.000	A	A	A	A
MP3	166478	82971	1	0.000	A	A	A	A
MP3	166480	82972	1	0.000	A	A	A	A
MP3	166482	82973	1	0.000	A	A	A	A
MP3	166484	82974	1	0.000	A	A	A	A
MP3	166486	82975	1	0.000	A	A	A	A
MP3	166488	82976	1	0.000	A	A	A	A
MP3	167490	83477	1	0.000	A	A	A	A
MP3	167492	83478	1	0.000	A	A	A	A
MP3	167494	83479	1	0.000	A	A	A	A
MP3	167496	83480	1	0.000	A	A	A	A
MP3	167498	83481	1	0.000	A	A	A	A
MP3	167500	83482	1	0.000	A	A	A	A
MP3	167502	83483	1	0.000	A	A	A	A
MP3	167504	83484	1	0.000	A	A	A	A
MP3	167510	83487	1	0.000	A	A	A	A
MP3	167870	83667	1	0.000	A	A	A	A
MP3	167878	83671	1	0.000	A	A	A	A
MP3	167880	83672	1	0.000	A	A	A	A
MP3	167966	83715	1	0.000	A	A	A	A
WAV	166399	82931	2	0.300	A	A	A	A
WAV	166479	82971	2	0.300	A	A	A	A
WAV	166481	82972	2	0.300	A	A	A	A
WAV	166483	82973	2	0.300	A	A	A	A
WAV	166485	82974	2	0.300	A	A	A	A
WAV	166487	82975	2	0.300	A	A	A	A
WAV	166489	82976	2	0.300	A	A	A	A
WAV	167491	83477	2	0.300	A	A	A	A
WAV	167493	83478	2	0.300	A	A	A	A
WAV	167495	83479	2	0.300	A	A	A	A
WAV	167497	83480	2	0.300	A	A	A	A
WAV	167499	83481	2	0.300	A	A	A	A
WAV	167501	83482	2	0.300	A	A	A	A
WAV	167503	83483	2	0.300	A	A	A	A
WAV	167505	83484	2	0.300	A	A	A	A
WAV	167511	83487	2	0.300	A	A	A	A
WAV	167871	83667	2	0.300	A	A	A	A
WAV	167879	83671	2	0.300	A	A	A	A
WAV	167881	83672	2	0.300	A	A	A	A
WAV	167967	83715	2	0.300	A	A	A	A