UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3e9UQY4hVfenMPfq3XWu47vpkCcFYoET+1b+oCqEBqo=' 
WHERE 
  key_id = '907952fe06f30eefea8b3d84608fd2897fae6cf6e8ad454a578823b8a041bcc6' 
  AND (
    token = '3e9UQY4hVfenMPfq3XWu47vpkCcFYoET+1b+oCqEBqo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )