UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VFxNFRLDP5NqNPpjz765m1icHIMPwSInWGY3ZQOtT4k=' 
WHERE 
  key_id = '7b93f7db87c0a83c23d82415835d704b0354fd910a856023c96b56e95510fa45' 
  AND (
    token = 'VFxNFRLDP5NqNPpjz765m1icHIMPwSInWGY3ZQOtT4k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )