UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KxvJ+tp2L8FQc1FrkgMdNoBd2hQz/x81F8J89MfFnCE=' 
WHERE 
  key_id = '4ac8363de447f879ee1bed0982a3f90b02acb4b7c9f80bac219e4a3fe603728a' 
  AND (
    token = 'KxvJ+tp2L8FQc1FrkgMdNoBd2hQz/x81F8J89MfFnCE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )