INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81d5ebfa7e60b8ba9779acc2f862ea2eae804520d8892f399610b5ddb724cf1f', 
    '5q2SHtCYE+PPhnkD/TuAk7iV3FKYSrTBRCWtR5pBKC0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00047

Result

int(1)