UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VgsPREC80uBFyHo7+CvoTxuCLAsdSEV8wB9QWoY3BLo=' 
WHERE 
  key_id = 'c8449cf1984e99fd7257977187763496894f1154e0740d52fed66bfc33d2db2f' 
  AND (
    token = 'VgsPREC80uBFyHo7+CvoTxuCLAsdSEV8wB9QWoY3BLo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )