INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b21d28f4991f6139238235b8e1a40d406c13a00ebbb735e313371d1ccc5f986c', 
    '8hC9DIjIblEzGYsu3VIQNfz5iBRkIrZZk0/SzQjXKow=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00046

Result

int(1)