UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yQYEZKwl71zBatE6xqj8pina0zU55FFZeR5kmiUzd+8=' 
WHERE 
  key_id = 'fff0216951119d1344318e3b4e0c6266487fbef4a600682bff3c7726d2311b9d' 
  AND (
    token = 'yQYEZKwl71zBatE6xqj8pina0zU55FFZeR5kmiUzd+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )