UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fGMnYiafWLFbi/NTlxFvOeholYTaNMur/TLF2tLxT3U=' 
WHERE 
  key_id = '28000ca07f7cab8fab1e95e1dcffca0bfd8c4addadbc6a3355d40fe18046fe8a' 
  AND (
    token = 'fGMnYiafWLFbi/NTlxFvOeholYTaNMur/TLF2tLxT3U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )