INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4303edc755c51840441c22478f6fe93d01f888f7286d11d8b57f849a92d9fa42', 
    'nyEjCNY7dSS8Au1BsndWHt9o1v5gmdo6/ou8iWoA9oE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)