UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RB3yiXiOBgk/rx11CeaAo/M6S0SpUt0nhbM7rAe+o4M=' 
WHERE 
  key_id = '893688d3b5258b84b5ccf540a3acf02bb96646c386cab5368f7d8ac900b9ce98' 
  AND (
    token = 'RB3yiXiOBgk/rx11CeaAo/M6S0SpUt0nhbM7rAe+o4M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )