UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '79p/jhTHMl3WMWUSyDiv0ie/lYDi3ay+eeBk+tSv40I=' 
WHERE 
  key_id = '5068482a3226a4d7c22f04430144c09456eb29b7431405ce3d245df2434af478' 
  AND (
    token = '79p/jhTHMl3WMWUSyDiv0ie/lYDi3ay+eeBk+tSv40I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )