Sandbox

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 (
    84664, 84546, 83944, 83943, 83942, 83941, 
    84600, 84560, 84559, 84030, 83825, 
    83808, 83807, 84177, 83677, 84109, 
    84072, 84070, 83619, 83556
  ) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00091

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	167648	83556	1	0.000	A	A	A	A
MP3	167774	83619	1	0.000	A	A	A	A
MP3	167890	83677	1	0.000	A	A	A	A
MP3	168150	83807	1	0.000	A	A	A	A
MP3	168152	83808	1	0.000	A	A	A	A
MP3	168186	83825	1	0.000	A	A	A	A
MP3	168418	83941	1	0.000	A	A	A	A
MP3	168420	83942	1	0.000	A	A	A	A
MP3	168422	83943	1	0.000	A	A	A	A
MP3	168424	83944	1	0.000	A	A	A	A
MP3	168596	84030	1	0.000	A	A	A	A
MP3	168676	84070	1	0.000	A	A	A	A
MP3	168680	84072	1	0.000	A	A	A	A
MP3	168754	84109	1	0.000	A	A	A	A
MP3	168890	84177	1	0.000	A	A	A	A
MP3	169628	84546	1	0.000	A	A	A	A
MP3	169654	84559	1	0.000	A	A	A	A
MP3	169656	84560	1	0.000	A	A	A	A
MP3	169736	84600	1	0.000	A	A	A	A
MP3	169864	84664	1	0.000	A	A	A	A
WAV	167649	83556	2	0.300	A	A	A	A
WAV	167775	83619	2	0.300	A	A	A	A
WAV	167891	83677	2	0.300	A	A	A	A
WAV	168151	83807	2	0.300	A	A	A	A
WAV	168153	83808	2	0.300	A	A	A	A
WAV	168187	83825	2	0.300	A	A	A	A
WAV	168419	83941	2	0.300	A	A	A	A
WAV	168421	83942	2	0.300	A	A	A	A
WAV	168423	83943	2	0.300	A	A	A	A
WAV	168425	83944	2	0.300	A	A	A	A
WAV	168597	84030	2	0.300	A	A	A	A
WAV	168677	84070	2	0.300	A	A	A	A
WAV	168681	84072	2	0.300	A	A	A	A
WAV	168755	84109	2	0.300	A	A	A	A
WAV	168891	84177	2	0.300	A	A	A	A
WAV	169629	84546	2	0.300	A	A	A	A
WAV	169655	84559	2	0.300	A	A	A	A
WAV	169657	84560	2	0.300	A	A	A	A
WAV	169737	84600	2	0.300	A	A	A	A
WAV	169865	84664	2	0.300	A	A	A	A