UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xjet9lIOYyMw4D1qInEalONy7WIjq/FeryqtCmTQxbs=' 
WHERE 
  key_id = '21da358d3b50057e921af7513a30f0f3eb5a2dcbdf9d140ba7a0d3347e002f3b' 
  AND (
    token = 'Xjet9lIOYyMw4D1qInEalONy7WIjq/FeryqtCmTQxbs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )