UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kpZZrdchqeeb4A1FbJaLBWqOi+HFpkXEd0hKcIk8W+Q=' 
WHERE 
  key_id = 'ce7c164d8475835b3c567035778dc5cd21d2280ea16cc6a61b925ae7440efa4e' 
  AND (
    token = 'kpZZrdchqeeb4A1FbJaLBWqOi+HFpkXEd0hKcIk8W+Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )