UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VJjVuw/j0JvD026DoptwW5bs0JJO3/xqIqrn/KRdCOc=' 
WHERE 
  key_id = 'e75942ca99e394f2473f254b15c1186dc761818f88b2aca66e33765bbce09771' 
  AND (
    token = 'VJjVuw/j0JvD026DoptwW5bs0JJO3/xqIqrn/KRdCOc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )