INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15ee236224dcdde612a3ad5a47e0f644975d80e4439db0b27fe1c5ab9231a359', 
    'Hk2MtZOoGXFG3Ks0S6892xsMlXtWbEgCkHehWO6viHc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)