UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'buzsYeBnM+Awzvpdt6XLnNKsOyKNkyY4WMYj1m52XQc=' 
WHERE 
  key_id = '34192722aa11cac79760980eaf73fd087139685da42b9a50ce5c064598ef30e7' 
  AND (
    token = 'buzsYeBnM+Awzvpdt6XLnNKsOyKNkyY4WMYj1m52XQc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )