UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b8+4pnCux9EkSI0c2OO4oXrU1Hc4yEMp7EBzveLTiUU=' 
WHERE 
  key_id = '3fc521ec454e3edc43b50419c8cb50013918ec6175e19393deaabf6178691601' 
  AND (
    token = 'b8+4pnCux9EkSI0c2OO4oXrU1Hc4yEMp7EBzveLTiUU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )