UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'xJr/C0IYIqqw/xMGC9tpgQZ6xDbVC57dWuE4y9U3kMw=' 
WHERE 
  key_id = 'b40dd83f213894421f9b9fdbd9b32af43108845bfbd162b880ba89e181efd998' 
  AND (
    token = 'xJr/C0IYIqqw/xMGC9tpgQZ6xDbVC57dWuE4y9U3kMw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )