INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e923ef1d038e975a64c4bfda029fa7a6741d0728ddbbea71e24ffebe2517299a', 
    'nrxM94wV5akDXxQDWWQ0t6PEjl4uXtBSdLr2ZBDpznA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)