Help/(SELECT CONCAT(CONCAT(?qbzpq?,(CASE WHEN (6261=6261) THEN ?1? ELSE ?0? END)),?qpzqq?))

Describe Help/(SELECT CONCAT(CONCAT(?qbzpq?,(CASE WHEN (6261=6261) THEN ?1? ELSE ?0? END)),?qpzqq?)) here.