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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 (
    104249, 104233, 104232, 104226, 105576, 
    104321, 104320, 104315, 104199, 104198, 
    104323, 104167, 104163, 104162, 104312, 
    104290, 104224, 104110, 104104, 104103
  ) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00155

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	208742	104103	1	0.000	A	A	A	A
MP3	208744	104104	1	0.000	A	A	A	A
MP3	208756	104110	1	0.000	A	A	A	A
MP3	208860	104162	1	0.000	A	A	A	A
MP3	208862	104163	1	0.000	A	A	A	A
MP3	208870	104167	1	0.000	A	A	A	A
MP3	208932	104198	1	0.000	A	A	A	A
MP3	208934	104199	1	0.000	A	A	A	A
MP3	208984	104224	1	0.000	A	A	A	A
MP3	208988	104226	1	0.000	A	A	A	A
MP3	209000	104232	1	0.000	A	A	A	A
MP3	209002	104233	1	0.000	A	A	A	A
MP3	209034	104249	1	0.000	A	A	A	A
MP3	209116	104290	1	0.000	A	A	A	A
MP3	209160	104312	1	0.000	A	A	A	A
MP3	209166	104315	1	0.000	A	A	A	A
MP3	209176	104320	1	0.000	A	A	A	A
MP3	209178	104321	1	0.000	A	A	A	A
MP3	209182	104323	1	0.000	A	A	A	A
MP3	211688	105576	1	0.000	A	A	A	A
WAV	208743	104103	2	0.300	A	A	A	A
WAV	208745	104104	2	0.300	A	A	A	A
WAV	208757	104110	2	0.300	A	A	A	A
WAV	208861	104162	2	0.300	A	A	A	A
WAV	208863	104163	2	0.300	A	A	A	A
WAV	208871	104167	2	0.300	A	A	A	A
WAV	208933	104198	2	0.300	A	A	A	A
WAV	208935	104199	2	0.300	A	A	A	A
WAV	208985	104224	2	0.300	A	A	A	A
WAV	208989	104226	2	0.300	A	A	A	A
WAV	209001	104232	2	0.300	A	A	A	A
WAV	209003	104233	2	0.300	A	A	A	A
WAV	209035	104249	2	0.300	A	A	A	A
WAV	209117	104290	2	0.300	A	A	A	A
WAV	209161	104312	2	0.300	A	A	A	A
WAV	209167	104315	2	0.300	A	A	A	A
WAV	209177	104320	2	0.300	A	A	A	A
WAV	209179	104321	2	0.300	A	A	A	A
WAV	209183	104323	2	0.300	A	A	A	A
WAV	211689	105576	2	0.300	A	A	A	A