Sandbox

SELECT 
  a.modifier, 
  a.modifier_type, 
  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, 
  a.variant_id 
FROM 
  cscart_product_option_variants a 
  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.variant_id IN (
    222311, 243026, 222235, 222277, 228836, 
    228866, 236754, 222332, 222347, 222412, 
    222380, 220318
  )

Query time 0.00056

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "shared_option_variants",
      "access_type": "system",
      "possible_keys": ["PRIMARY", "company_id"],
      "rows": 0,
      "filtered": 0,
      "const_row_not_found": true
    },
    "table": {
      "table_name": "a",
      "access_type": "range",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "3",
      "used_key_parts": ["variant_id"],
      "rows": 12,
      "filtered": 100,
      "attached_condition": "a.variant_id in (222311,243026,222235,222277,228836,228866,236754,222332,222347,222412,222380,220318)"
    }
  }
}

Result

modifier	modifier_type	variant_id
0.000	A	220318
0.000	A	222235
0.000	A	222277
0.000	A	222311
0.000	A	222332
0.000	A	222347
0.000	A	222380
0.000	A	222412
0.000	A	228836
0.000	A	228866
0.000	A	236754
0.000	A	243026