UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5OAlvui+XINARho3VWGLXvun55LSAdBqiR9W91hHuGA=' 
WHERE 
  key_id = '2a4a73e766a0ea84289de593507f21a12a9aafca2856aa333160732db78013f0' 
  AND (
    token = '5OAlvui+XINARho3VWGLXvun55LSAdBqiR9W91hHuGA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )