UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6vgDuxNvgguGH8bdEkWTfpURZTXHbKZ5DJHEnOAxLgo=' 
WHERE 
  key_id = 'f6fd7835832fa2876ea2950b7423694e81e4d67b2215606ab1d145329a5b9015' 
  AND (
    token = '6vgDuxNvgguGH8bdEkWTfpURZTXHbKZ5DJHEnOAxLgo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )