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SELECT 
  storefronts.* 
FROM 
  cscart_storefronts AS storefronts 
WHERE 
  1 = 1 
  AND (
    storefronts.url = 'unimag.lv' 
    OR storefronts.url = 'www.unimag.lv' 
    OR storefronts.url LIKE 'www_.unimag.lv' 
    OR storefronts.url LIKE 'unimag.lv/%' 
    OR storefronts.url LIKE 'www.unimag.lv/%' 
    OR storefronts.url LIKE 'www_.unimag.lv/%'
  ) 
GROUP BY 
  storefronts.storefront_id 
ORDER BY 
  storefronts.url = 'unimag.lv' DESC, 
  storefronts.url = 'www.unimag.lv' DESC, 
  storefronts.url LIKE 'www_.unimag.lv' DESC, 
  storefronts.url LIKE 'unimag.lv/%' DESC, 
  storefronts.url LIKE 'www.unimag.lv/%' DESC, 
  storefronts.url LIKE 'www_.unimag.lv/%' desc

Query time 0.00006

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "storefronts",
          "access_type": "system",
          "rows": 1,
          "filtered": 100
        }
      }
    ]
  }
}

Result

storefront_id	url	redirect_customer	is_default	status	access_key	name	theme_name	is_accessible_for_authorized_customers_only
1	unimag.lv	N	Y	N	b13cda17b9569c145b36730d695f1f9a	CS-Cart	abt__unitheme2	N