UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U4Jgf3LwdTGhDnimZq6bCXzffPFjizwYTryfnv+kEp8=' 
WHERE 
  key_id = '7001912b06a84b165c1b7483731879256a9710de8992233a24555057545a967d' 
  AND (
    token = 'U4Jgf3LwdTGhDnimZq6bCXzffPFjizwYTryfnv+kEp8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )