INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5303838cb7889eb462b160d11528926e8e659582b82e7041a769e216c309961a', 
    '5vOkC0ZtfZONnanBK/JAxvwNwp6BOmLnNWaGTItf2RQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)