UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RPKles35oZ6OoiAbG9RdG/7+n3pd+x0DAx0t9cy8iME=' 
WHERE 
  key_id = '8f2bf67e551bb54bc9e6f9926eb738156328e54169f58d1e5b0d9a49119cd48b' 
  AND (
    token = 'RPKles35oZ6OoiAbG9RdG/7+n3pd+x0DAx0t9cy8iME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )