INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '76b8d3ddbaba32a4e157c021389ffd346c39dbaff09892018fd92e38be5a1da8', 
    'PjlQiHIbQRVw9MLuRldlOjGyJHgfWnwstBi2uiFCx5k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)