UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kvQURnaUulWyFFoCKaAPOse5wQFb3jz6gfyhQNrALAc=' 
WHERE 
  key_id = '4771bd4e50fe19c0020a07ee9503e293a9fb5f396863ec376c624abff4515f7c' 
  AND (
    token = 'kvQURnaUulWyFFoCKaAPOse5wQFb3jz6gfyhQNrALAc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )