UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u9JFIUS+eFw/9PQ4ckkGr2nPUyB2dhDX3hK/5Iqukz8=' 
WHERE 
  key_id = 'a0689346314751a860f76cfb29f1f8c7c8e57f079edaabd94501e2892835a2c0' 
  AND (
    token = 'u9JFIUS+eFw/9PQ4ckkGr2nPUyB2dhDX3hK/5Iqukz8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )