INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51f63c1a218872987d9ac2c26062cc9b97c4e3d2ef9586db7458dcd60b1a670e', 
    'KNqmjIUSU5TVUhAgpf44+4So5/KseBAmawJKjgArTDE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)