INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '383a9f4d9f975eb24b7ddb069f7b1453fca7718a7296f156f11b7fb9908662b6', 
    'poR8Or7QkyqjPnji2S6kymY8sapznvYkx7yvUg1Nm7o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)