INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '347f540b60018b74b7b13ec27ca8d7e12fcbbceaedc2aaba016df20430ebee0d', 
    '7HUEuazMQzH8hhlWjmZzbqF8l08KM+GmOIgjIy9qrkc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)