INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b9b868e94fbe4b3ba6eaa080d6602907e4e379f47b63dbeee0329487c53edfd', 
    '3Z71//zQCoKvVVnKX4chkb7vTvkVNia4k2hx5m4M5R4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)