UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ArwByAYMG+cj+xrgbMTqMMlkW5r13NAwzMfsEzTNAow=' 
WHERE 
  key_id = 'c6bb2996038e5178a6c482e52b574ef1d99752f3eb158fc136ecb750380534f2' 
  AND (
    token = 'ArwByAYMG+cj+xrgbMTqMMlkW5r13NAwzMfsEzTNAow=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )