UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r2Y1FwjPoOxRmYAvnCTxAY5WWwsQr2dPI1ZOu0Aom6Y=' 
WHERE 
  key_id = '91b75e2e1736fe6cb10e07b624361ac5dba1ed03aea90553ddce89da15c3d052' 
  AND (
    token = 'r2Y1FwjPoOxRmYAvnCTxAY5WWwsQr2dPI1ZOu0Aom6Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )