UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't71zieQ16oMv1VIrxElUbYlaiivIEsOIt1gnBZKF8Zk=' 
WHERE 
  key_id = '766eeba29a7dd1e8b79ac0968b48a35a235f7d8af1b35eafcd561642bcb148b9' 
  AND (
    token = 't71zieQ16oMv1VIrxElUbYlaiivIEsOIt1gnBZKF8Zk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )