UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nxLpkVroLcbajn6EETrc6GHhrPcy7AxiMmVtRwzM7Ek=' 
WHERE 
  key_id = '38eb15383d0b13016dab99f742a34da9c2f7b7de568a239de4cd8d68e298ace0' 
  AND (
    token = 'nxLpkVroLcbajn6EETrc6GHhrPcy7AxiMmVtRwzM7Ek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )