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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 (
    120108, 98792, 98791, 98790, 98789, 
    98788, 98787, 98786, 98785, 98784, 
    98783, 98782, 98781, 98780, 98779, 
    98778, 98777, 98776, 98775, 98774
  ) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00101

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	198084	98774	1	0.000	A	A	A	A
MP3	198086	98775	1	0.000	A	A	A	A
MP3	198088	98776	1	0.000	A	A	A	A
MP3	198090	98777	1	0.000	A	A	A	A
MP3	198092	98778	1	0.000	A	A	A	A
MP3	198094	98779	1	0.000	A	A	A	A
MP3	198096	98780	1	0.000	A	A	A	A
MP3	198098	98781	1	0.000	A	A	A	A
MP3	198100	98782	1	0.000	A	A	A	A
MP3	198102	98783	1	0.000	A	A	A	A
MP3	198104	98784	1	0.000	A	A	A	A
MP3	198106	98785	1	0.000	A	A	A	A
MP3	198108	98786	1	0.000	A	A	A	A
MP3	198110	98787	1	0.000	A	A	A	A
MP3	198112	98788	1	0.000	A	A	A	A
MP3	198114	98789	1	0.000	A	A	A	A
MP3	198116	98790	1	0.000	A	A	A	A
MP3	198118	98791	1	0.000	A	A	A	A
MP3	198120	98792	1	0.000	A	A	A	A
MP3	240752	120108	1	0.000	A	A	A	A
WAV	198085	98774	2	0.300	A	A	A	A
WAV	198087	98775	2	0.300	A	A	A	A
WAV	198089	98776	2	0.300	A	A	A	A
WAV	198091	98777	2	0.300	A	A	A	A
WAV	198093	98778	2	0.300	A	A	A	A
WAV	198095	98779	2	0.300	A	A	A	A
WAV	198097	98780	2	0.300	A	A	A	A
WAV	198099	98781	2	0.300	A	A	A	A
WAV	198101	98782	2	0.300	A	A	A	A
WAV	198103	98783	2	0.300	A	A	A	A
WAV	198105	98784	2	0.300	A	A	A	A
WAV	198107	98785	2	0.300	A	A	A	A
WAV	198109	98786	2	0.300	A	A	A	A
WAV	198111	98787	2	0.300	A	A	A	A
WAV	198113	98788	2	0.300	A	A	A	A
WAV	198115	98789	2	0.300	A	A	A	A
WAV	198117	98790	2	0.300	A	A	A	A
WAV	198119	98791	2	0.300	A	A	A	A
WAV	198121	98792	2	0.300	A	A	A	A
WAV	240753	120108	2	1.500	A	A	A	A