INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'df98441ef67e4b3078d87a9279a01bd7f6041b261602a9e5c6883d99b9bcb6a6', 
    'z8hclJZoFrISTajno3Nx7VXdYaOiQYjG2Q+14El//+A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)