UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '50B3gEmLpnGssg5DHvQcN0qroeA0jkzCXiqhGFQf5Y0=' 
WHERE 
  key_id = '914465daded83d9dbb68efae90ad9a480fc836cf17c66d7ec027e28eafb86cfb' 
  AND (
    token = '50B3gEmLpnGssg5DHvQcN0qroeA0jkzCXiqhGFQf5Y0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )