UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QnPWf6Df4+9hx2pftKKJnU4kK62mLdnFBMofhdHwqxA=' 
WHERE 
  key_id = '3db5d44a698d6b2108916fb97dc9ce87537fa47379913abd9d67bfc29450c158' 
  AND (
    token = 'QnPWf6Df4+9hx2pftKKJnU4kK62mLdnFBMofhdHwqxA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )