INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '752399b40be4735a75881bff4385030880e98839e125ab87bfb5d6b903f16275', 
    'r6LHNUjRZxZFfwM1AFicj0q3RpjBy8lgX2d2ysEbU/s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)