UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bMDzRkbtXK2jBoURV0pwuKVqKcSzeuDtNw8adOQs0OE=' 
WHERE 
  key_id = 'd50e7b460a192b3995fac8bd7bb31e29f5f87e67353dbed3224020b065d5a806' 
  AND (
    token = 'bMDzRkbtXK2jBoURV0pwuKVqKcSzeuDtNw8adOQs0OE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )