UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ymk+yfTyQ75MYDuDpzMP2DAE0xG80sqPAUus+/eWEm0=' 
WHERE 
  key_id = '4b51606e5651e3ea24bef6429f8ea4f76c028992aa2657109ffe837bf4fa655f' 
  AND (
    token = 'ymk+yfTyQ75MYDuDpzMP2DAE0xG80sqPAUus+/eWEm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )