INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51b49f5e20fe15def32455e0c38f3b9607ffcacd4a46e337becaedac36a265e2', 
    'v1v//QxzXMvyTC6T3FJn8zrVzUHWmxEA+nxYP7p96KQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00049

Result

int(1)