UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qguxtrwpba3u+QtgykDlFxhO6kSEUfxxinJripz4muU=' 
WHERE 
  key_id = '835f590fc4ca85a4b967b956870123275bffeb219a43ff9618496873967cfc14' 
  AND (
    token = 'qguxtrwpba3u+QtgykDlFxhO6kSEUfxxinJripz4muU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )