INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8212eaf21bfa87d118033bbfeaba838f26f319863b8a5c2621e350c29464af41', 
    'fRm8+UdOffgEwv4eAp7LzwuEmjhIqrivSPuMJGyNb3I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)