UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PNES9eVE/S+Swt8aOOm55410Fj7c7/xbptyYUPx+oz0=' 
WHERE 
  key_id = '50b84de48bf6fe1756317712aba3b4f8d5f904e39704012499d92cc6cbb9c61b' 
  AND (
    token = 'PNES9eVE/S+Swt8aOOm55410Fj7c7/xbptyYUPx+oz0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )