UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RT6Qt8B2pWm6C1q9WpyB2o8qD+FmcmKb7Mntr8BhIm0=' 
WHERE 
  key_id = 'dffb459cbc4aa37e537695716fad15388444d4937b7292c4aeb1153a35e46a70' 
  AND (
    token = 'RT6Qt8B2pWm6C1q9WpyB2o8qD+FmcmKb7Mntr8BhIm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )