UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w3fEny0eJgda+KAuPvZvFys8ls7jyYxOPQTZdYuKaEM=' 
WHERE 
  key_id = '68e97e4ffe05abde8e713dcab784ae62bb2c4aa05d04f78f3d7b209478c52698' 
  AND (
    token = 'w3fEny0eJgda+KAuPvZvFys8ls7jyYxOPQTZdYuKaEM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )