UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eaK+OBRNMgaEISCb0VXWS0WRfn5DxRFLM3DjN1ItV9k=' 
WHERE 
  key_id = '4d3cefb8d8f9675d5987ad4ec2ff8f25ccfb0e5387509a1fb5ff8c5079788788' 
  AND (
    token = 'eaK+OBRNMgaEISCb0VXWS0WRfn5DxRFLM3DjN1ItV9k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )