INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5381246798493ae5b02670c4dea1906e2f08e65dd193dc509ef046d7febb4792', 
    'EXWa6PE9h3VHKOD9oXRGsc1WuKBUOgUp4TFb9An/CMU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)