UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+xLzKoFkye7+MmAdzKtxFgvXSiuPfnWUeSXAx051VpM=' 
WHERE 
  key_id = '22cde46621012b483a2f1608a58cf4aae3b816ed1ddf8f83894d0d6b699f5956' 
  AND (
    token = '+xLzKoFkye7+MmAdzKtxFgvXSiuPfnWUeSXAx051VpM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )