UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n/2+ijjXkQltNj08gPR6PUw5WPY4S+JKu2cuK+/4zLs=' 
WHERE 
  key_id = '78dca6ad8c7b3f780ed45b95935b284133177373af22fca43548bee6dc397798' 
  AND (
    token = 'n/2+ijjXkQltNj08gPR6PUw5WPY4S+JKu2cuK+/4zLs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )