INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '921651e38c0ea5eefbbfa6cf34363633a9675f6e839886ce194d2f928df51037', 
    'zg7ElMadptsibD3C+vbrCEHdWmYWUiB/nX8K0zK9YzE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)