INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15763d8db74bacb00ee826e913e563e70e3999d9daeb5d6afd27087462ba656c', 
    'N8swxclOgO88CkXK5NJ9biOhvKf1gxoKvotk0otc2tM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)