INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6d879873f42709b0e94d159e0d83a376edde8e133597fdfed3617d1015af0d7d', 
    '5+5ssoHROp5EmHpIo+EOg1gqAiA4X1LpxEE9NXsiXxg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)