UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x6Xo9ZYqh7XJj7UD8ROQspA7WrUB+teO5PuLabi6GU0=' 
WHERE 
  key_id = '9fc335f614618c9c438c13541db460b5d39d59c6b9f639861833bdbcd1f6b2c9' 
  AND (
    token = 'x6Xo9ZYqh7XJj7UD8ROQspA7WrUB+teO5PuLabi6GU0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )