UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h6Tdgv3gh1oG802ZGcbpXnPPuVdOKxFiY2E8nToedUU=' 
WHERE 
  key_id = '868f91bb9b95c40477067011b1b6699db64b3b6c53dd6d3e299185e1a95e8bc2' 
  AND (
    token = 'h6Tdgv3gh1oG802ZGcbpXnPPuVdOKxFiY2E8nToedUU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )