INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21c631121404865f55a8c541a7df8da1e0fcde97ce76173f8b09982f336482f8', 
    'NL5A7GdRYCvJY0P0q8Jys318v6sH0yq6+VXY6Ic3QIg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)