INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b1f2400428c74a1786bf0c086aaf503919056e94f3c9152b6a43652f5042e0b', 
    'xFcBVzLz0hU6WXlLJD3dzZwIqbzSl524qQcCBx33bfU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)