UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MyKZQuMdjZmz5qF1144eqBSPCDjyMsj3APu955ve/h4=' 
WHERE 
  key_id = '2c4809a484a11ab41274996e7f5c6256d323fb75ed58bbcede2661f109027dd3' 
  AND (
    token = 'MyKZQuMdjZmz5qF1144eqBSPCDjyMsj3APu955ve/h4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )