INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b639203b30369a097060c3b57baa3aeaec511aa23621c666a4745c041cd4363f', 
    'njdRqfEwK+Qqk2vrg+z9ZuEzxJZ2iiQiw2TBqYK8iSc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00057

Result

int(1)