UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ggV8VJol7EcZoOvIumSbsK54TV/9q87IU1tEYv0bOUw=' 
WHERE 
  key_id = '56d48baffa86cc649ea0ff535360f833c789d8343d57c4b269aa95165c504e7e' 
  AND (
    token = 'ggV8VJol7EcZoOvIumSbsK54TV/9q87IU1tEYv0bOUw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )