INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b21c1a1feaeaef017bed59bffa7ba2879b1a8f7b07d8233e33beb22c84279028', 
    'tSYwiRaIQm0XLGwWVp2wcN9R9JJGjl8b7NLc5OhiaxY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)