UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aO9EkmCj+G401X9f3rtll9qREixgWE4+BrKLLX2g6VU=' 
WHERE 
  key_id = '79d1b82e54e60aba6c975c293f81aff30716795cf84cc0488746d073c066fefd' 
  AND (
    token = 'aO9EkmCj+G401X9f3rtll9qREixgWE4+BrKLLX2g6VU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )