UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z/vMuVEvVTVs970Laljb4lXOQQoB63NnCNm2G9v+wEQ=' 
WHERE 
  key_id = '838ee6aae1dc640b221e63530def8b779b8e7acf99fe0d897de8f5896578e24a' 
  AND (
    token = 'z/vMuVEvVTVs970Laljb4lXOQQoB63NnCNm2G9v+wEQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )