INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd786721aa30b8738c54f3db04caa37dca7bad3905ec065dd26833234ff0f9708', 
    '4XXDMbWKAOfgXQPhFn+avnXquJvguL4EtI+z+O8g+rI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00052

Result

int(1)