UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mga+Hz6s+WbYAXaGvl8zqStMgXmsniCEgjZPILxdtA8=' 
WHERE 
  key_id = '5539989a62c61dcd357595b7741423b80fd43b07ecd16120b04ad86d4f884313' 
  AND (
    token = 'mga+Hz6s+WbYAXaGvl8zqStMgXmsniCEgjZPILxdtA8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021