INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c516dc51e797dda1e22a33e5b44e0935410b73d283a475828e2959580172fc7b', 
    'IngAgxHnL5V4Fbl6MFUgtKhnUQUnKX86Zq7POA/eLU4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)