INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b815393fd7808c8684885b3bb8a9433f533d43ca06a6c1f67a6d803dd83e56e5', 
    'DI51jBmMu+Y13MWrEEGG6HiDznpfn+KzUN5dfkLkeeE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)