UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FnY3PAHDFJYBbYVN6Xn6EnXDtDAgkHqHE7Med/PekUU=' 
WHERE 
  key_id = 'b159ab46e6a9082abff0281c17410ce872fc8f55b59779213a86fa79bb622888' 
  AND (
    token = 'FnY3PAHDFJYBbYVN6Xn6EnXDtDAgkHqHE7Med/PekUU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )