INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '450585224a8a0708840d9ead7a549d5597190985b08151052cb81fb6dc05e0d2', 
    'rfUpGLsCtof17QfQ1gi72q4wcDr0hagvAIRXArPbvGE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)