INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9986681fd51005850f6301650099842482ca80566af22850543d7079696468a4', 
    '7pg6JFzjGi2hkyJcUgWpgWgHMEPbYieFvg2Ix9rj7hM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)