UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xnskcMyc1teD33akttRDhK/2uDhDpmsA5mcIIDy8mTg=' 
WHERE 
  key_id = '68b3b9f5165a4101dfd15ced6c58d09c795212344e14ab885eb57390821b942a' 
  AND (
    token = 'xnskcMyc1teD33akttRDhK/2uDhDpmsA5mcIIDy8mTg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )