UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pu5cfEba+nCzzOST6YFf0HcMuoMKlsb2bBOdUX8y6ss=' 
WHERE 
  key_id = '8cf43307a834b7b13a7d04a306216157628360f91ba763e39395a0a480e51bf7' 
  AND (
    token = 'pu5cfEba+nCzzOST6YFf0HcMuoMKlsb2bBOdUX8y6ss=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )