UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5RpSGhRrMa1/Gao5zQzUrzoB2MkUA8h0sAvDsaleLlg=' 
WHERE 
  key_id = '0255abdff4076714de7f42ff0447062d2e9f2c28b7275fc53615565158c3b761' 
  AND (
    token = '5RpSGhRrMa1/Gao5zQzUrzoB2MkUA8h0sAvDsaleLlg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )