UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DJpbKTJ8Xfbc20bzokWUWBZAGdcG1T3LiYXTQ4owX/k=' 
WHERE 
  key_id = '35b4be9e8ae4c18c819505fe93cddba50c993da20091214a948b07d087c9fca0' 
  AND (
    token = 'DJpbKTJ8Xfbc20bzokWUWBZAGdcG1T3LiYXTQ4owX/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )