UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rZr0eGCg0VTPg3LQTsgQR/cVjeGkrEkYqZfqV5Jml78=' 
WHERE 
  key_id = '81a453318074c8534c4bceafa53a4df36672af96c607c750bc27e5d70c397c20' 
  AND (
    token = 'rZr0eGCg0VTPg3LQTsgQR/cVjeGkrEkYqZfqV5Jml78=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )