INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '397affaabe65f796434a45907e03b526f2d6bffda645edf4199bc443a4955351', 
    'QU7z6TFlZsgYt1XgK0IRbQPnmLimnvsIFzEKr1n+kok=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)