UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mWifufsnhrw58HbCxDhObHfXNTWIn7xiqA/MmKfzNW4=' 
WHERE 
  key_id = '4820f0e170be8830d25335c1338131a207d8ed4b67c7bf640784d597bcf5f170' 
  AND (
    token = 'mWifufsnhrw58HbCxDhObHfXNTWIn7xiqA/MmKfzNW4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )