INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '76468094455e60c394004979eae0b9eef2839cbb07625d99bbe2f9b377f37d31', 
    'L8RGHr3T/8mXB5bncklykaHEj1uqGlK4dBXhW/1fy2E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)