UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dj//FznKF1aHpbRKeoErkdaPypkIgjSJN1I23iQxA1o=' 
WHERE 
  key_id = '3eb65378a627accf2f8efcb6c899404c48cd1520bdd860facf778a2af7f3b467' 
  AND (
    token = 'dj//FznKF1aHpbRKeoErkdaPypkIgjSJN1I23iQxA1o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )