Verificación única con múltiples columnas Validación de Laravel
'name' => 'unique:table,field,NULL,id,field1,value1,field2,value2,field3,value3'
Breakable Buzzard
'name' => 'unique:table,field,NULL,id,field1,value1,field2,value2,field3,value3''data.ip' => ['required', 'unique:servers,ip,'.$this->id.',NULL,id,hostname,'.$request->input('hostname')]
'data.ip' => ['required', 'unique:servers,ip,'.$this->id.','.$request->input('id').',id,hostname,'.$request->input('hostname')]