UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pT1xY79XaTZrne80m2smdzGlFk/ptqQ7MFb5/bFTOqA=' 
WHERE 
  key_id = '818ee5a6a3b25ead4a38e89875b348c5a42634ebb719873cdd6131c63942d17d' 
  AND (
    token = 'pT1xY79XaTZrne80m2smdzGlFk/ptqQ7MFb5/bFTOqA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )