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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 (
    71170, 71169, 71168, 71167, 71166, 71165, 
    71164, 71163, 71162, 71161, 71160, 
    71159, 71158, 71157, 71121, 72055, 
    71179, 71535, 71534, 71502
  ) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00110

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	142756	71121	1	0.000	A	A	A	A
MP3	142828	71157	1	0.000	A	A	A	A
MP3	142830	71158	1	0.000	A	A	A	A
MP3	142832	71159	1	0.000	A	A	A	A
MP3	142834	71160	1	0.000	A	A	A	A
MP3	142836	71161	1	0.000	A	A	A	A
MP3	142838	71162	1	0.000	A	A	A	A
MP3	142840	71163	1	0.000	A	A	A	A
MP3	142842	71164	1	0.000	A	A	A	A
MP3	142844	71165	1	0.000	A	A	A	A
MP3	142846	71166	1	0.000	A	A	A	A
MP3	142848	71167	1	0.000	A	A	A	A
MP3	142850	71168	1	0.000	A	A	A	A
MP3	142852	71169	1	0.000	A	A	A	A
MP3	142854	71170	1	0.000	A	A	A	A
MP3	142872	71179	1	0.000	A	A	A	A
MP3	143518	71502	1	0.000	A	A	A	A
MP3	143582	71534	1	0.000	A	A	A	A
MP3	143584	71535	1	0.000	A	A	A	A
MP3	144624	72055	1	0.000	A	A	A	A
WAV	142757	71121	2	0.300	A	A	A	A
WAV	142829	71157	2	0.300	A	A	A	A
WAV	142831	71158	2	0.300	A	A	A	A
WAV	142833	71159	2	0.300	A	A	A	A
WAV	142835	71160	2	0.300	A	A	A	A
WAV	142837	71161	2	0.300	A	A	A	A
WAV	142839	71162	2	0.300	A	A	A	A
WAV	142841	71163	2	0.300	A	A	A	A
WAV	142843	71164	2	0.300	A	A	A	A
WAV	142845	71165	2	0.300	A	A	A	A
WAV	142847	71166	2	0.300	A	A	A	A
WAV	142849	71167	2	0.300	A	A	A	A
WAV	142851	71168	2	0.300	A	A	A	A
WAV	142853	71169	2	0.300	A	A	A	A
WAV	142855	71170	2	0.300	A	A	A	A
WAV	142873	71179	2	0.300	A	A	A	A
WAV	143519	71502	2	0.300	A	A	A	A
WAV	143583	71534	2	0.300	A	A	A	A
WAV	143585	71535	2	0.300	A	A	A	A
WAV	144625	72055	2	0.300	A	A	A	A