UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tBNTztB++M8YDgOh5zvsHuLosojLpK7IG6Yohsyzluw=' 
WHERE 
  key_id = '830e8fde458d11e3858e57b9253026d988c1067e662e3d81a52f661ac7587893' 
  AND (
    token = 'tBNTztB++M8YDgOh5zvsHuLosojLpK7IG6Yohsyzluw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )