INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21af7a4cd81c43b5c365007da98f5124bfb906c472770c4381c6052302c132af', 
    '8aCW3xovypBe1vj9bJ6sVEXQMRnCfv6JWWQsx28mJj8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00074

Result

int(1)