UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZX/xz1gyqOKJTelJR1UaK4hX4uXf8cNjP2QTQiKRxao=' 
WHERE 
  key_id = '93d0b1765b0852a8833606e51b881a1edfa7c491c27490547a65671a847e98af' 
  AND (
    token = 'ZX/xz1gyqOKJTelJR1UaK4hX4uXf8cNjP2QTQiKRxao=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )