UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mg2GZIVx5NVsSB+7q5pwAW/bQQs2qLQNsQoCDDlJ+WY=' 
WHERE 
  key_id = '39b34fc6c55277a086b0a74ee61aadf2c74164b80b457690b588deac29d8f7de' 
  AND (
    token = 'Mg2GZIVx5NVsSB+7q5pwAW/bQQs2qLQNsQoCDDlJ+WY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )