SELECT 
  cscart_settings_objects.object_id as object_id, 
  cscart_settings_objects.type as object_type, 
  cscart_settings_objects.name as description, 
  IF(
    cscart_settings_vendor_values.value IS NULL, 
    cscart_settings_objects.value, 
    cscart_settings_vendor_values.value
  ) as value 
FROM 
  cscart_settings_objects 
  LEFT JOIN cscart_settings_vendor_values ON cscart_settings_vendor_values.object_id = cscart_settings_objects.object_id 
  AND company_id = 6 
WHERE 
  1 
  AND (
    FIND_IN_SET(
      'ROOT', cscart_settings_objects.edition_type
    ) 
    OR FIND_IN_SET(
      'ULT:ROOT', cscart_settings_objects.edition_type
    ) 
    OR FIND_IN_SET(
      'VENDOR', cscart_settings_objects.edition_type
    ) 
    OR FIND_IN_SET(
      'ULT:VENDOR', cscart_settings_objects.edition_type
    )
  ) 
  AND cscart_settings_objects.object_id = 75 
ORDER BY 
  cscart_settings_objects.position

Query time 0.00073

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE cscart_settings_objects const PRIMARY PRIMARY 3 const 1
1 SIMPLE cscart_settings_vendor_values const PRIMARY PRIMARY 7 const,const 1

Result

object_id object_type description value
75 I theme_name coolbaby