UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zGrxnuBsTp1ss8iEiLQ+OTOdUlkk+vfX9AR+Szl9NF0=' 
WHERE 
  key_id = 'fbc8c26cdcfc88fde9b523ab5a801a2f67de3745575f938dad43624b91b87bf0' 
  AND (
    token = 'zGrxnuBsTp1ss8iEiLQ+OTOdUlkk+vfX9AR+Szl9NF0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )