UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '36W+FpvfLw0NAtg80fjvFVWbSceEwLZOp2S3v6ddGRA=' 
WHERE 
  key_id = '894feb40afca4c631dfb3cde86476a9a4f3ca40423141c89f94560431879bbe8' 
  AND (
    token = '36W+FpvfLw0NAtg80fjvFVWbSceEwLZOp2S3v6ddGRA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )