%%[
    SET @SubscriberKey = '0030N000025L06hQAC'
    SET @rs = RetrieveSalesforceObjects("account", "Email_Opt_In__c,Phone_Opt_In__c", "Contact_ID__c", "=", @SubscriberKey)

    IF NOT Empty(@rs) THEN
      Set @row = ROW(@rs,1)
      Set @Email = FIELD(@row,"Email_Opt_In__c")
      Set @Phone = FIELD(@row,"Phone_Opt_In__c")
    ENDIF

    IF @Email == 'TRUE' THEN
     SET @EmailValue = 'Checked'
    ENDIF
    IF @Phone == 'TRUE' THEN
     SET @PhoneValue = 'Checked'
    ENDIF
    ]%%

Subkey: %%=v(@SubscriberKey)=%%
<br>
Email: %%=v(@Email)=%%
<br>
Phone: %%=v(@Phone)=%%
<br>
EmailValue: %%=v(@EmailValue)=%%
<br>
PhoneValue: %%=v(@PhoneValue)=%%
<br>