INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8021e041ed9c1f2ca57c0a0137614a3f647b72bad9c78a071e1c81c6fa2539a2', 
    'BMnpC3IVManLlY4KpGWMMe396IGTWcdSgxZlVtVhR9g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)