UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WUC4akr2oZk18h3L5OMg6a8CWenNXXlW7wrxh+zXHWc=' 
WHERE 
  key_id = 'afc6a49a5df9494b75507051803455467c254e306b60eef89be3326af351398f' 
  AND (
    token = 'WUC4akr2oZk18h3L5OMg6a8CWenNXXlW7wrxh+zXHWc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )