UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'poL0QFfpYLBLsURSi0tFlyvKu3lXv3ogkkdhwK0LJSs=' 
WHERE 
  key_id = '3ca73ec15201cb7abbd670acd54daae6e53a236429774f233ee4d44139d1dd76' 
  AND (
    token = 'poL0QFfpYLBLsURSi0tFlyvKu3lXv3ogkkdhwK0LJSs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )