INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81b2135a44e63cabfa1abcf5228280f38e98a27e6c4122e454d7aa97b50c71d0', 
    'L8t/mV7MgTvxkb9mCUo0CbCu9ys5wODeo5fGcojVGzY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)