UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DjMQtMTSQOgTVRi99tSZZABk5CbRVUjiD4aeuDwccyE=' 
WHERE 
  key_id = '6c804c034900bb1bd42c04d6e75bfece002c090124c670ba81bf2a5873b74397' 
  AND (
    token = 'DjMQtMTSQOgTVRi99tSZZABk5CbRVUjiD4aeuDwccyE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )