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 (1089, 1087, 1088, 1081, 1082) 
  AND a.status = 'A' 
ORDER BY 
  a.position, 
  a.variant_id

Query time 0.00129

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 38 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
20530 1082 110 0.000 A 0.000 A extra isolerad | betongpannor, tegelpannor (höjd upp till 90 mm)
20620 1088 110 0.000 A 0.000 A extra isolerad | betongpannor, tegelpannor (höjd upp till 90 mm)
20506 1081 509 0.000 A 0.000 A 55x98 cm
20596 1087 509 0.000 A 0.000 A 55x98 cm
20626 1089 509 0.000 A 0.000 A 55x98 cm
20507 1081 511 0.000 A 0.000 A 55x118 cm
20597 1087 511 0.000 A 0.000 A 55x118 cm
20627 1089 511 0.000 A 0.000 A 55x118 cm
20508 1081 609 0.000 A 0.000 A 66x98 cm
20598 1087 609 0.000 A 0.000 A 66x98 cm
20628 1089 609 0.000 A 0.000 A 66x98 cm
20509 1081 611 0.000 A 0.000 A 66x118 cm
20599 1087 611 0.000 A 0.000 A 66x118 cm
20629 1089 611 0.000 A 0.000 A 66x118 cm
20510 1081 614 0.000 A 0.000 A 66x140 cm
20600 1087 614 0.000 A 0.000 A 66x140 cm
20630 1089 614 0.000 A 0.000 A 66x140 cm
20511 1081 709 0.000 A 0.000 A 78x98 cm
20601 1087 709 0.000 A 0.000 A 78x98 cm
20631 1089 709 0.000 A 0.000 A 78x98 cm
20512 1081 711 0.000 A 0.000 A 78x118 cm
20602 1087 711 0.000 A 0.000 A 78x118 cm
20632 1089 711 0.000 A 0.000 A 78x118 cm
20513 1081 714 0.000 A 0.000 A 78x140 cm
20603 1087 714 0.000 A 0.000 A 78x140 cm
20633 1089 714 0.000 A 0.000 A 78x140 cm
20514 1081 716 0.000 A 0.000 A 78x160 cm
20604 1087 716 0.000 A 0.000 A 78x160 cm
20634 1089 716 0.000 A 0.000 A 78x160 cm
20515 1081 718 0.000 A 0.000 A 78x180 cm
20605 1087 718 0.000 A 0.000 A 78x180 cm
20635 1089 718 0.000 A 0.000 A 78x180 cm
20516 1081 909 0.000 A 0.000 A 94x98 cm
20606 1087 909 0.000 A 0.000 A 94x98 cm
20636 1089 909 0.000 A 0.000 A 94x98 cm
20517 1081 911 0.000 A 0.000 A 94x118 cm
20607 1087 911 0.000 A 0.000 A 94x118 cm
20637 1089 911 0.000 A 0.000 A 94x118 cm
20518 1081 914 0.000 A 0.000 A 94x140 cm
20608 1087 914 0.000 A 0.000 A 94x140 cm
20638 1089 914 0.000 A 0.000 A 94x140 cm
20519 1081 916 0.000 A 0.000 A 94x160 cm
20609 1087 916 0.000 A 0.000 A 94x160 cm
20639 1089 916 0.000 A 0.000 A 94x160 cm
20520 1081 918 0.000 A 0.000 A 94x180 cm
20610 1087 918 0.000 A 0.000 A 94x180 cm
20640 1089 918 0.000 A 0.000 A 94x180 cm
20521 1081 1109 0.000 A 0.000 A 114x98 cm
20611 1087 1109 0.000 A 0.000 A 114x98 cm
20641 1089 1109 0.000 A 0.000 A 114x98 cm
20522 1081 1111 0.000 A 0.000 A 114x118 cm
20612 1087 1111 0.000 A 0.000 A 114x118 cm
20642 1089 1111 0.000 A 0.000 A 114x118 cm
20523 1081 1114 0.000 A 0.000 A 114x140 cm
20613 1087 1114 0.000 A 0.000 A 114x140 cm
20643 1089 1114 0.000 A 0.000 A 114x140 cm
20524 1081 1116 0.000 A 0.000 A 114x160 cm
20614 1087 1116 0.000 A 0.000 A 114x160 cm
20644 1089 1116 0.000 A 0.000 A 114x160 cm
20525 1081 1309 0.000 A 0.000 A 134x98 cm
20615 1087 1309 0.000 A 0.000 A 134x98 cm
20645 1089 1309 0.000 A 0.000 A 134x98 cm
20526 1081 1311 0.000 A 0.000 A 134x118 cm
20616 1087 1311 0.000 A 0.000 A 134x118 cm
20646 1089 1311 0.000 A 0.000 A 134x118 cm
20527 1081 1314 0.000 A 0.000 A 134x140 cm
20617 1087 1314 0.000 A 0.000 A 134x140 cm
20647 1089 1314 0.000 A 0.000 A 134x140 cm