INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8b18140db4353db226095744b8fdb34f89006286d3f18ac6fe8649aabe9b1308', 
    '6R/mn/IYecqByR3DBwEU5gVg1bHbtnfKh9NzDL0mJVw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)