Query and dan Or Cakephp beserta Pagination

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$this->paginate = array('conditions' => array('Nilaifeeder.smt' => $tahun, 'Nilaifeeder.jenis' => 'khs', 'Nilaifeeder.ID_KLS' => $username,'OR'=>array('Nilaifeeder.NM_PD like'=>"%$cari%",'Nilaifeeder.nim like'=>"%$cari%")), 'limit' => $cfilter, 'order' => array('Nilaifeeder.id' => 'asc'));
 $nilais = $this->paginate('Nilaifeeder');