UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QRSpQ/209ycEbXK+tQUA2D+jfP+rUsiq2i9RMLqg+Qo=' 
WHERE 
  key_id = '78200cf46006655a5df90dddb0eb8f763f8592631beda3beedf2015402935a73' 
  AND (
    token = 'QRSpQ/209ycEbXK+tQUA2D+jfP+rUsiq2i9RMLqg+Qo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )