UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mcMoNA+giRVOsJvuiBg2tW7PuZBTfHcXqbo8a6M/EfM=' 
WHERE 
  key_id = '511b32931d5bd5f76d53365b94cb2eafeef571511398fb32da076644c6c39659' 
  AND (
    token = 'mcMoNA+giRVOsJvuiBg2tW7PuZBTfHcXqbo8a6M/EfM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )