UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PX/53jRRhZrmamjucV89SBeyhwha4I3KuHb1ICLupdk=' 
WHERE 
  key_id = '87bc6abe8929f68728edaaac953237bb943f93097df0ba3355eb18e59a36346f' 
  AND (
    token = 'PX/53jRRhZrmamjucV89SBeyhwha4I3KuHb1ICLupdk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )