INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c71995a4481e1d2b09149289cc95240860fdc95c54364b1e5db3d31038a461a', 
    'hOIXAVO9bhoqhcMvXuw8jbPzoePxt83FNPIIote9/Ug=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)