UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MyN5xDgmQrRVIEz66Ubcny3jYbW1TiwAS8dNbZEybUw=' 
WHERE 
  key_id = '8b261b64fdf9eb7a7649bad2b361e6814a1e43783ed420224fb26246793a8fef' 
  AND (
    token = 'MyN5xDgmQrRVIEz66Ubcny3jYbW1TiwAS8dNbZEybUw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )