INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8c751faea8978156293003ef95b1f3a5ce3311a7987948f21805d926848b9620', 
    'tvPhuq9y6UvBakW61BtAavpl7Q6JM3akf/sFkZUo0js=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)