INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6f8fc5268380e44be26d510b9252af38e50c749ec624a58a14f7e4ead8959f64', 
    'eF7i1lSUtEaNWDHc5Qbmw1WnOxsXdmNNDBYgcyYeU/E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)