UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tDlOC3T3gWfaj2nHglyahQEjqXjFkzA46r8wias/YW8=' 
WHERE 
  key_id = '337a062f24c8652da62987ac6ac174c9be6034a4c3b886307254c590494d5fb1' 
  AND (
    token = 'tDlOC3T3gWfaj2nHglyahQEjqXjFkzA46r8wias/YW8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )