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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 (
    86596, 86595, 86594, 86593, 86592, 86591, 
    86590, 86589, 86588, 86587, 86586, 
    86585, 86584, 86583, 86582, 86581, 
    86580, 86579, 86542, 86341
  ) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00087

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	173218	86341	1	0.000	A	A	A	A
MP3	173620	86542	1	0.000	A	A	A	A
MP3	173694	86579	1	0.000	A	A	A	A
MP3	173696	86580	1	0.000	A	A	A	A
MP3	173698	86581	1	0.000	A	A	A	A
MP3	173700	86582	1	0.000	A	A	A	A
MP3	173702	86583	1	0.000	A	A	A	A
MP3	173704	86584	1	0.000	A	A	A	A
MP3	173706	86585	1	0.000	A	A	A	A
MP3	173708	86586	1	0.000	A	A	A	A
MP3	173710	86587	1	0.000	A	A	A	A
MP3	173712	86588	1	0.000	A	A	A	A
MP3	173714	86589	1	0.000	A	A	A	A
MP3	173716	86590	1	0.000	A	A	A	A
MP3	173718	86591	1	0.000	A	A	A	A
MP3	173720	86592	1	0.000	A	A	A	A
MP3	173722	86593	1	0.000	A	A	A	A
MP3	173724	86594	1	0.000	A	A	A	A
MP3	173726	86595	1	0.000	A	A	A	A
MP3	173728	86596	1	0.000	A	A	A	A
WAV	173219	86341	2	0.300	A	A	A	A
WAV	173621	86542	2	0.300	A	A	A	A
WAV	173695	86579	2	0.300	A	A	A	A
WAV	173697	86580	2	0.300	A	A	A	A
WAV	173699	86581	2	0.300	A	A	A	A
WAV	173701	86582	2	0.300	A	A	A	A
WAV	173703	86583	2	0.300	A	A	A	A
WAV	173705	86584	2	0.300	A	A	A	A
WAV	173707	86585	2	0.300	A	A	A	A
WAV	173709	86586	2	0.300	A	A	A	A
WAV	173711	86587	2	0.300	A	A	A	A
WAV	173713	86588	2	0.300	A	A	A	A
WAV	173715	86589	2	0.300	A	A	A	A
WAV	173717	86590	2	0.300	A	A	A	A
WAV	173719	86591	2	0.300	A	A	A	A
WAV	173721	86592	2	0.300	A	A	A	A
WAV	173723	86593	2	0.300	A	A	A	A
WAV	173725	86594	2	0.300	A	A	A	A
WAV	173727	86595	2	0.300	A	A	A	A
WAV	173729	86596	2	0.300	A	A	A	A