INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '768525c4113a668ecba0ee660aa336bbe40da1a4f34a942694c299023687854f', 
    'UMK0UZuy6aRtJwDMdOzz7E7qPyridLjDh2S+AoA4GtQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)