UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6fCFVKotljUuybSL47eM+So2jboY9GDPoGDq9eQG0jo=' 
WHERE 
  key_id = '4ae6718fd865deefc386fedab993777c32a7546e73298884607863f04fc9f4a7' 
  AND (
    token = '6fCFVKotljUuybSL47eM+So2jboY9GDPoGDq9eQG0jo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )