UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nktemYm6iqXmAjyw0gDvHuEPbpcUFmdOZXqkDkO7KPE=' 
WHERE 
  key_id = '78c631765aab0cbab655fab1490507e6670857fc94ec8e641f8c746b4017d108' 
  AND (
    token = 'nktemYm6iqXmAjyw0gDvHuEPbpcUFmdOZXqkDkO7KPE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )