UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9HnM/axvQC5syEg93BEwy2wMllToudmf/slmOqgDTWg=' 
WHERE 
  key_id = 'b553b0deef82fcb93e67097d8df58477529506c3c7c77ae1f741c14578e562ab' 
  AND (
    token = '9HnM/axvQC5syEg93BEwy2wMllToudmf/slmOqgDTWg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )