UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ra81ub8myMYnfVs4qfsgcZd6UPkOn5CDfzOes1HUh68=' 
WHERE 
  key_id = '6ca028ec18f816654d42d69f04a4befcdacda40121f77bb9616d7da71aba6966' 
  AND (
    token = 'ra81ub8myMYnfVs4qfsgcZd6UPkOn5CDfzOes1HUh68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )