UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NrxuuaC4d4SqZdN3Pu3wBL+pl/IE2d6HIZISMApbFfM=' 
WHERE 
  key_id = '15363b91f0a721fe484ca9ebd9cefba0ab0825a4492493fd57c8ea8dd077117c' 
  AND (
    token = 'NrxuuaC4d4SqZdN3Pu3wBL+pl/IE2d6HIZISMApbFfM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )