UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gxCDXe92YgV6QAfUdmSpQ1S6M/GVUNuRJ4D2dK55uAc=' 
WHERE 
  key_id = '6cf79b482d29e29b06178035c52fa7d61af51a49e64878adb132e8b9c4645f08' 
  AND (
    token = 'gxCDXe92YgV6QAfUdmSpQ1S6M/GVUNuRJ4D2dK55uAc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )