INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8bce4d18457f687197c0773d13a0ee1b7efb76144a4d9e2603399df594e6269e', 
    '+kOKTcU8MFLsNSzQ5DQJuxlt62h4M5FQ1YNWAZiLmxg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)