UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4HVtFoQ0LMHW86ZvsRIfOsy+1WP0ia9UGUn73JHezug=' 
WHERE 
  key_id = 'a2b71cf2b577620c0278fc11cfb0f047fab9c333198b741c841e1691832de16e' 
  AND (
    token = '4HVtFoQ0LMHW86ZvsRIfOsy+1WP0ia9UGUn73JHezug=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )