INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e8b335fa2fbac3c8773d053bc2ab50977cd1d2ee97ae7ff6b892603c399da9f3', 
    'K+/IlnihDKKXToVT4LyHm6mKKZFVktqNc8yEDi/bSFw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)