UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1N9P0+gcJYtH5MS6NRXwDgj3MRRwLQ9lG9IyumgrPMo=' 
WHERE 
  key_id = '9a7fd3abbc7a12bb71e0c6f3c0a42aea8594e94593a2bf73057465bf7c68d5a9' 
  AND (
    token = '1N9P0+gcJYtH5MS6NRXwDgj3MRRwLQ9lG9IyumgrPMo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )