INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2968de52f3394610995a1f87c81a0b3bedcfd266ce64a730abe523340fe53584', 
    '1NUUyxO1HZcYBfzXdkFwJcufNNEwahUHx9by0ouyTao=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)