UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T0px1+MkawPL6d2CrFQOGak7EqQQA0/SUylzpX2/OOU=' 
WHERE 
  key_id = '47d840829ffdfc10d1873d10ca0543aa6415032be5c19ea2bb6eb33a53671f6c' 
  AND (
    token = 'T0px1+MkawPL6d2CrFQOGak7EqQQA0/SUylzpX2/OOU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )