UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3+/oobgbRgoyyHoR00L5uDUhM0VbxkP5AWzE334DlWw=' 
WHERE 
  key_id = '51ca83ff2c3f69a00d771d6df3c366a0e8d059484fec3879ad02501e1f381db2' 
  AND (
    token = '3+/oobgbRgoyyHoR00L5uDUhM0VbxkP5AWzE334DlWw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )