UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ke1Lvc1YqPkKEeeoDBFoKBkz21KPKJsrzo2+5d+MP2M=' 
WHERE 
  key_id = '87e8775a663fbbed4e92c339003f3dbce77db0f9f75d06bb7e77014f7e051af6' 
  AND (
    token = 'Ke1Lvc1YqPkKEeeoDBFoKBkz21KPKJsrzo2+5d+MP2M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )