UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PmtNAMEPrjQ3urnGWgMGfyj+PiuksNzsWgqK+DIg6wU=' 
WHERE 
  key_id = '39c8299717e375f20cce1122dc09a43fde02410003d11acc44b8559a5926e673' 
  AND (
    token = 'PmtNAMEPrjQ3urnGWgMGfyj+PiuksNzsWgqK+DIg6wU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )