INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21d2047b783b2c90bfb6af05607b8abd4dbe7a5262a26ad30dc15dc971298610', 
    '4mw6zyyW83uu1JbO1Xu8A1eDe81QJBZYLSK1Zvaasac=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)