INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2421a8a334044119eff82f7266c5e687d67534fde07f4403e76d039a3b3cb798', 
    '4t4GlMpZ7kNyeVoKtKuLr28Q6S4EDHWGZq4CmgAduH0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00017

Result

int(1)