UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3c2Tow0SRkz0aXp+TUgKZAaUfwcxbl0vEDWbYINV8gA=' 
WHERE 
  key_id = '2ff2d3e4788e013c656ab2c6841b58438bcd86f769849ebba9722b1d1431400d' 
  AND (
    token = '3c2Tow0SRkz0aXp+TUgKZAaUfwcxbl0vEDWbYINV8gA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )