UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4MPqehqyfr3V4KAcEbUCbqCWCqCY5c9DEln+4byCADc=' 
WHERE 
  key_id = '4fa691360f9af1042ed276399a98aaa36a21b49960911f9504bdc8c632987920' 
  AND (
    token = '4MPqehqyfr3V4KAcEbUCbqCWCqCY5c9DEln+4byCADc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )