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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 (
    98551, 98550, 98549, 98548, 96444, 96443, 
    96442, 96441, 96440, 96439, 96438, 
    96437, 96436, 96435, 96434, 96433, 
    96429, 98758, 96421, 96420
  ) 
  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	193376	96420	1	0.000	A	A	A	A
MP3	193378	96421	1	0.000	A	A	A	A
MP3	193394	96429	1	0.000	A	A	A	A
MP3	193402	96433	1	0.000	A	A	A	A
MP3	193404	96434	1	0.000	A	A	A	A
MP3	193406	96435	1	0.000	A	A	A	A
MP3	193408	96436	1	0.000	A	A	A	A
MP3	193410	96437	1	0.000	A	A	A	A
MP3	193412	96438	1	0.000	A	A	A	A
MP3	193414	96439	1	0.000	A	A	A	A
MP3	193416	96440	1	0.000	A	A	A	A
MP3	193418	96441	1	0.000	A	A	A	A
MP3	193420	96442	1	0.000	A	A	A	A
MP3	193422	96443	1	0.000	A	A	A	A
MP3	193424	96444	1	0.000	A	A	A	A
MP3	197632	98548	1	0.000	A	A	A	A
MP3	197634	98549	1	0.000	A	A	A	A
MP3	197636	98550	1	0.000	A	A	A	A
MP3	197638	98551	1	0.000	A	A	A	A
MP3	198052	98758	1	0.000	A	A	A	A
WAV	193377	96420	2	0.300	A	A	A	A
WAV	193379	96421	2	0.300	A	A	A	A
WAV	193395	96429	2	0.300	A	A	A	A
WAV	193403	96433	2	0.300	A	A	A	A
WAV	193405	96434	2	0.300	A	A	A	A
WAV	193407	96435	2	0.300	A	A	A	A
WAV	193409	96436	2	0.300	A	A	A	A
WAV	193411	96437	2	0.300	A	A	A	A
WAV	193413	96438	2	0.300	A	A	A	A
WAV	193415	96439	2	0.300	A	A	A	A
WAV	193417	96440	2	0.300	A	A	A	A
WAV	193419	96441	2	0.300	A	A	A	A
WAV	193421	96442	2	0.300	A	A	A	A
WAV	193423	96443	2	0.300	A	A	A	A
WAV	193425	96444	2	0.300	A	A	A	A
WAV	197633	98548	2	0.300	A	A	A	A
WAV	197635	98549	2	0.300	A	A	A	A
WAV	197637	98550	2	0.300	A	A	A	A
WAV	197639	98551	2	0.300	A	A	A	A
WAV	198053	98758	2	0.300	A	A	A	A