UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '75Zxws7Andk5+PpgRrOR8DnK2y6rKKg3xbFH8HEZdQI=' 
WHERE 
  key_id = '5f68b1c766810f98d00d280a036dff2945bacdee5489e796b909b12ec09620c8' 
  AND (
    token = '75Zxws7Andk5+PpgRrOR8DnK2y6rKKg3xbFH8HEZdQI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )