Andrej Martynov of Beckton previously pleaded guilty to one count of misconduct in public office after police found two quick-drying cement moulds, with three key impressions, in his home.
A HMP Wandsworth locksmith made moulds of jail keys to sell for £100,000 to fund a new romance in Trinidad - sparking an estimated £1million in replacement costs.
Gary Tween, whose son is a serving police officer, was struck with a wine glass having objected to the scurrilous jibes being made during an evening at the Shamrat brasserie in Maidstone, Kent.
Chris Pearson, 42, who attended the Royal College of Music, lost his career in 2017 when separately arrested on suspicion of grooming girls at Cobham Free School.
Tom Hagyard, 29 attacked two women at a Fulham house party in 2017 Hagyard, of Southport. He was convicted of two counts of assault by penetration and two counts of sexual assault.