UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm0GI6WMXX9VPwPt1BbpSnob4iBA3HtJb26l4c1EsHiA=' 
WHERE 
  key_id = '4b834916e52188b7f06980e168115beb922dcac48491a377139d38f867fabe60' 
  AND (
    token = 'm0GI6WMXX9VPwPt1BbpSnob4iBA3HtJb26l4c1EsHiA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )