INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3971fab7b20ea46ad7e7a0f45d29b048745b3c589c682041af0ce44f67eea5d0', 
    'kKO/nHhWRzwVOTbJ11C3urj6mXGYgTN7X5Oy5vb6tig=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)