UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+WcviHMqInLWS7whEpwg+7oV5PHI3LIJKrNQUYN04v8=' 
WHERE 
  key_id = 'c2677330e1515ea3f4ef0ce59f481bdae4c895857ac33b63dc67c8e31255b76a' 
  AND (
    token = '+WcviHMqInLWS7whEpwg+7oV5PHI3LIJKrNQUYN04v8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )