UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dg9IYRYZQBrQzb4ImQmDvXdBGLKG0l1knU5e9fp9wew=' 
WHERE 
  key_id = '7b680020942dbf4b527d51258f375c286022ec5301226249f60dcefcde7b0a43' 
  AND (
    token = 'dg9IYRYZQBrQzb4ImQmDvXdBGLKG0l1knU5e9fp9wew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )