INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3c7dfe3199db012ac7a997808299882ec68434940fe906e6f5823c7dc6640f41', 
    'I5QGBwrske8yPrFoNsCYKJlmypd7atpjRxFePT6uWyY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)