UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a/gu6SbJO4/2eXqadrrCuuvV3wnw/KZhozMgTzeRNf8=' 
WHERE 
  key_id = '6bb6476a5da15f5a04a805381eb3a3332ee1787972437dc023ba628d60112ba9' 
  AND (
    token = 'a/gu6SbJO4/2eXqadrrCuuvV3wnw/KZhozMgTzeRNf8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )