UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H5Mry4m+vWfecr/bKxnLYq/CjhjUiCOL6Kwm2g7cWrk=' 
WHERE 
  key_id = 'ed30fa482984dfe9c46b583663599b1cb429f60c3f480105ba567049899a2678' 
  AND (
    token = 'H5Mry4m+vWfecr/bKxnLYq/CjhjUiCOL6Kwm2g7cWrk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )