UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2Gwon9Ztuo1FnRcSQt5ozhF1t87WbYOvn3PZkme7hNE=' 
WHERE 
  key_id = '6bc2e4cc4080bad04515c27f66e24b873870205ec34a55712e66f05fb69b0570' 
  AND (
    token = '2Gwon9Ztuo1FnRcSQt5ozhF1t87WbYOvn3PZkme7hNE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )