UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Am2oJ/FJQH2N/MB8PElWuT8n8IWLZjR7TVSFSfm7fEM=' 
WHERE 
  key_id = '839bec2d1151606801b88f40273661b1ed65cce06773c1795d8dbfa6db53846e' 
  AND (
    token = 'Am2oJ/FJQH2N/MB8PElWuT8n8IWLZjR7TVSFSfm7fEM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )