INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8355a1c4b96fe8bad7a836d2d2e0dd7b7f10eaa4718fce8e78a3ba3de7998a80', 
    'wXvgw7SOKDwpThFoIpFub7Ft2PMEUmOWTfRIOw2JojY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)