INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21626539df9c302fa45c59bc0ba3b624084afdf04d914f9e68e2e265a2b4aa59', 
    '814qagzHZ/KEOv4tT2RoYFsP59k4TPBijboReNNE1C0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00044

Result

int(1)