INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6d8f99eb7d284627e730bc517cd33f2d19f517056f6d69361eb11021755aa411', 
    'QRiBcTmY0OD5Vkzm8cGpIuSqWVq+jGx5C8pA7Ugdd+w=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)