UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'khf9DD4t+5lrU7DX7WwxBGXP6c7K93Ww7VZ5y+2dNG4=' 
WHERE 
  key_id = '83439d34fbb7f4bd5bce54d809f0aa7da07922d14ca22e92756f8406a0e6445b' 
  AND (
    token = 'khf9DD4t+5lrU7DX7WwxBGXP6c7K93Ww7VZ5y+2dNG4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )