UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M7tzMrm1+42OlN4uQoEPGwjrvVT9CS9Aj1C5AlYF1cU=' 
WHERE 
  key_id = 'e1833fb0c1f0ef4bc3b36e4daa941ae0a5f05d80361e5bbae7ccc5f449fdbde8' 
  AND (
    token = 'M7tzMrm1+42OlN4uQoEPGwjrvVT9CS9Aj1C5AlYF1cU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )