UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UDQPuth2dFdfYyC0rFRMaKcu4fLtmJisJ2sWf1WNcus=' 
WHERE 
  key_id = 'a1674b75b3fc245b61b179fa3acad96f08d42803e3aa64d2dd51b3a7b0366eb4' 
  AND (
    token = 'UDQPuth2dFdfYyC0rFRMaKcu4fLtmJisJ2sWf1WNcus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )