UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KFLZqnW4J9cUGvNIH+FHAcA/SWWraPEqtodMVSyTU7A=' 
WHERE 
  key_id = '76e91b2f3cd3684b53e862c1d33e20239d79c7368a6b1135c973cb3045a69fab' 
  AND (
    token = 'KFLZqnW4J9cUGvNIH+FHAcA/SWWraPEqtodMVSyTU7A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )