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 = 'se' 
  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 (1192, 1193, 1116) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00061

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 13 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 modifier_type weight_modifier weight_modifier_type variant_name
22451 1193 10 0.000 A 0.000 A standard | betongpannor, tegelpannor, platt takpanna, fjälltegel (höjd från 10 mm upp till 45 mm)
22452 1193 20 0.000 A 0.000 A standard | takpapp eller asfaltmatta, shingeltak (höjd upp till 10 mm = 2x 5mm)
21121 1116 104 0.000 A 0.000 A CK04 55x98 cm
21122 1116 106 0.000 A 0.000 A CK06 55x118 cm
21124 1116 206 0.000 A 0.000 A FK06 66x118 cm
21125 1116 208 0.000 A 0.000 A FK08 66x140 cm
21126 1116 304 0.000 A 0.000 A MK04 78x98 cm
21127 1116 306 0.000 A 0.000 A MK06 78x118 cm
21128 1116 308 0.000 A 0.000 A MK08 78x140 cm
21129 1116 310 0.000 A 0.000 A MK10 78x160 cm
21131 1116 404 0.000 A 0.000 A PK04 94x98 cm
21132 1116 406 0.000 A 0.000 A PK06 94x118 cm
21133 1116 408 0.000 A 0.000 A PK08 94x140 cm
21134 1116 410 0.000 A 0.000 A PK10 94x160 cm
21135 1116 506 0.000 A 0.000 A SK06 114x118 cm
21136 1116 508 0.000 A 0.000 A SK08 114x140 cm
21137 1116 510 0.000 A 0.000 A SK10 114x160 cm
21138 1116 604 0.000 A 0.000 A UK04 134x98 cm
21139 1116 608 0.000 A 0.000 A UK08 134x140 cm
22442 1192 709 0.000 A 0.000 A 78x98 cm
22443 1192 711 0.000 A 0.000 A 78x118 cm
22444 1192 714 0.000 A 0.000 A 78x140 cm