UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vDxo7KDQUwdJ358uvcn2b6fJjomjd9qHlxfbfhkHHtM=' 
WHERE 
  key_id = '4dee5f2f71dfd8c6aa6e07eb7cc170ed478dcaf5ffebaa16783895a84ae2a476' 
  AND (
    token = 'vDxo7KDQUwdJ358uvcn2b6fJjomjd9qHlxfbfhkHHtM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )