MBR Dentro no es preciso en mysql

MySQL 5.6.1 y versiones posteriores tienen algoritmos de geometría exacta además de las funciones anteriores que solo operaban en MBR.

Puedes usar ST_WITHIN en lugar de MBR_WITHIN . Consulte documentación . Me gusta

SELECT ST_Within(GeomFromText('POINT(101.11857 4.34475)'),
  GeomFromText('POLYGON((101.12112522125244 4.3531723687957164,101.11846446990967 
    4.351417913665312,101.13138198852539 4.336397898951581,101.13477230072021 
    4.33211863778494,101.14065170288086 4.321933898868271,101.14992141723633 
    4.306699328215635,101.15455627441406 4.30978050198082,101.1397933959961 
    4.334600612212089,101.12112522125244 4.3531723687957164,101.12112522125244 
    4.3531723687957164))')) As geoFenceStatus