INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ff1a4d4f984a9dd2a36e5958a520cf94383aa04fee94200296dd19c24776a878', 
    'U/893nwAeSKxtktQrMNseEvpcVcEFGUPl7ocoyCnGrw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)