UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HgnlS1it1HMjpTgtz3aTfzHNvd7/V9EP9BdnwjIP0D8=' 
WHERE 
  key_id = '29eddfbbbff6e54a1730f297c22a50c1f69ab59946099b183df2404899e3399d' 
  AND (
    token = 'HgnlS1it1HMjpTgtz3aTfzHNvd7/V9EP9BdnwjIP0D8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )