UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ROXdZUuVdXKhRGu9BaEOaKpG/zT4XPM6TvZnm2IYxqs=' 
WHERE 
  key_id = '1bb8eff21a728fdee96e2740b7d3d93b2b0639488271d085eefbcd524e0ea291' 
  AND (
    token = 'ROXdZUuVdXKhRGu9BaEOaKpG/zT4XPM6TvZnm2IYxqs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )