UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4MNiGNgbHGEp6+qFmHM1zdU1X6FzPBlQPltBEaQBCE8=' 
WHERE 
  key_id = '30446fd20b15bd2f9e35bedcce12f3b09b23794110b8dce855af88ac8413117e' 
  AND (
    token = '4MNiGNgbHGEp6+qFmHM1zdU1X6FzPBlQPltBEaQBCE8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )