INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '270597b688b2120d6c427039b66a2c1d295f073727b4e5f21e36030754a2ef2d', 
    'rK1nMr36CgbYZIDV6lItrIPG8diF/qxCeyx1njRbOm0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)