UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rtcoQF3ONhmQaknnuRUtQsj8JEWPTLpaqXhgI7u8ECM=' 
WHERE 
  key_id = '82b46d0ca225ff5d3f6faa9ff12b50f94136f9b52899f21f863fa745342a107b' 
  AND (
    token = 'rtcoQF3ONhmQaknnuRUtQsj8JEWPTLpaqXhgI7u8ECM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )