UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '79aJJT+1983QqfWKSLvXWe3J1NOHvhtwdXODzc7mtwc=' 
WHERE 
  key_id = '3978025b4672563e3c438f10733e580c4dd674c68b595ea9efda27600ed9bba6' 
  AND (
    token = '79aJJT+1983QqfWKSLvXWe3J1NOHvhtwdXODzc7mtwc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )