UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wU+lexLgYEQ/5cdH1QYkwrJkiujMKl0ubLg/XeixZEk=' 
WHERE 
  key_id = '784b214866250d8eca570383c68a38b61a362c61eeea8e84d3252f5368c1fc95' 
  AND (
    token = 'wU+lexLgYEQ/5cdH1QYkwrJkiujMKl0ubLg/XeixZEk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )