UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OweUPXMPNFFP4oNsnjvSgLo8KlXSM1v5CIufFNUEUQs=' 
WHERE 
  key_id = '21e2fc9680fa81a96e4b08815dd379a527f4a743ad181e597c790772c23ec923' 
  AND (
    token = 'OweUPXMPNFFP4oNsnjvSgLo8KlXSM1v5CIufFNUEUQs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )