INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3a21198e281263f44f92e6947e0e4f461c65eeb2bdc039a25877cfaddd831a0f', 
    'nRIiD56oQ+znAGCA87toPGcBSM+jaqR9pSZGzzhJcm0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)