UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K7kmNPLiqjuDztO3pCWXmS/R/CGqSSgSVJisqEhNsoc=' 
WHERE 
  key_id = '55b48680c2f6f23a56d79ab87a09bb17d2eac4ada032be68289c9c6ed98ccd11' 
  AND (
    token = 'K7kmNPLiqjuDztO3pCWXmS/R/CGqSSgSVJisqEhNsoc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )