UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Xv71zOf41x6LQiP/CoMMgdkyAX961zoEDlY/I0aq28=' 
WHERE 
  key_id = 'e5236d27be0942212408896cee922cccb21011f0e807f7da94da049580fb75e2' 
  AND (
    token = '6Xv71zOf41x6LQiP/CoMMgdkyAX961zoEDlY/I0aq28=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )