UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mZzBq/+PA/ADhdLjnPkIAm36Xu6w3ovIYG/N+LF/A30=' 
WHERE 
  key_id = '78d7accbf38d215b17a262397df0012f25f64055600109d4555aec8038d66b9c' 
  AND (
    token = 'mZzBq/+PA/ADhdLjnPkIAm36Xu6w3ovIYG/N+LF/A30=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )