UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MaKtWbDjH8T8gg9qQ3XKUhggL4sy8qNAHu/PadwTRNo=' 
WHERE 
  key_id = '81993599d87c9e21957c5aa81560d28e86ef3680aeb796540cded135d3686b51' 
  AND (
    token = 'MaKtWbDjH8T8gg9qQ3XKUhggL4sy8qNAHu/PadwTRNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )