Need Help in design- Update columns

Hi

Need your help in design of the procedure

Scenarion: need to update all the columns for the records based on the condition

Pacakge: PKG_UPDATE.doc_reqquest (acct_no in varcahr2)  -- this package contains an update  sending an input as account number

table: 'Doc_request' have total columns of 120 (initail insert only for 30 columns) and rest of the columns need to update by calling the above package

is this the below statment is recommended to update all the columns

BEGIN
                                          FOR INDX IN (SELECT *
                                                         FROM DOC_REQUEST         WHERE TRUNC(DATETIMESTAMP) = TRUNC(SYSDATE)
                                                          AND CMS_DOC_TYPE_ID = 1 and status ='N' ) LOOP