UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Q3LJzLOdRrrF4b2UEmiEsOv4FRrEPxXfbawnwBADMM=' 
WHERE 
  key_id = 'b84f79ec93398414bfcb6733a310645dd470dde4e7c47b2691896d4872270666' 
  AND (
    token = '6Q3LJzLOdRrrF4b2UEmiEsOv4FRrEPxXfbawnwBADMM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )