INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7101f56efba14be3f8f9dd2db17f9fbe2c3c023fe84e6c5823e06635996e9780', 
    '3bGJav3YDlk8vVIi2sQN+1dW0IbRGo3LzmO18eG8v6U=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)