INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8c3200314e068b65f3eb98adc976762b7514346e9051508bbfd970ca6688dc1e', 
    'elt374U7ALs2BiKOBYWoeTVZQ8dFs+OGecK8K0jmCfY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)