INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3784a52460e6430387e1b03390592163047f1e51cdb3000ce17427c22da692fe', 
    '++BkjxkXPLQjxC/9cyvpgeMQKDwOGcg3KaBf3ouX3LE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)