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SELECT 
  a.variant_id, 
  a.option_id, 
  a.position, 
  a.modifier, 
  a.modifier_type, 
  a.weight_modifier, 
  a.weight_modifier_type, 
  b.variant_name, 
  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 a.variant_id = b.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 = 2 
WHERE 
  a.option_id IN (535, 622, 1149) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00062

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		12	Using index condition; Using filesort
1	SIMPLE	b	eq_ref	PRIMARY	PRIMARY	9	mahm3t_cs443.a.variant_id,const	1	Using where
1	SIMPLE	shared_option_variants	eq_ref	PRIMARY,company_id	PRIMARY	7	mahm3t_cs443.a.variant_id,const	1

Result

variant_id	option_id	position	modifier_type	weight_modifier_type	variant_name
14038	535	10	A	A	01 \| 55x78 cm
14039	535	20	A	A	02 \| 55x98 cm
15309	535	22	A	A	16 \| 55x118 cm
14040	535	30	A	A	03 \| 66x98 cm
14041	535	40	A	A	04 \| 66x118 cm
14215	535	42	A	A	14 \| 66x140 cm
14042	535	50	A	A	05 \| 78x98 cm
14043	535	60	A	A	06 \| 78x118 cm
14044	535	70	A	A	07 \| 78x140 cm
14045	535	72	A	A	13 \| 78x160 cm
14046	535	80	A	A	08 \| 94x118 cm
15153	622	89	A	A	089 \| 10%
14047	535	90	A	A	09 \| 94x140 cm
15154	622	90	A	A	090 \| 10%
15156	622	92	A	A	092 \| 1%
15373	535	92	A	A	80 \| 94x160 cm
14048	535	100	A	A	10 \| 114x118 cm
14049	535	110	A	A	11 \| 114x140 cm
14050	535	120	A	A	12 \| 134x98 cm