UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7q6/2eFmmQgg+7KcvAivB1jjoSoo9mAt2ovZvgFVHeU=' 
WHERE 
  key_id = 'a747620f02005ab62716d64be84612ea0c3698859da43b8a7d74276b54811b42' 
  AND (
    token = '7q6/2eFmmQgg+7KcvAivB1jjoSoo9mAt2ovZvgFVHeU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )