UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eMujOyhzTrPbauWo8xA07ZW2xuzayjwo6R592v4drxw=' 
WHERE 
  key_id = 'a4d77cb611ce613c550f88d6aa481cb3e216548404c0be90982ca5d6449158b9' 
  AND (
    token = 'eMujOyhzTrPbauWo8xA07ZW2xuzayjwo6R592v4drxw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )