INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '421c8d6d56ce2d1760698fa7f9949146f8a2968a13f9c5fc083d046c96936a69', 
    '3BaTT/21QgjNb7y+AE8J5YOue19TyeqXJIqAQPnK2Ds=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)