UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xUS+1KEWMyrNvBcCNQMb6D3Ds0HCpS/zt+NRhU1Wj+o=' 
WHERE 
  key_id = 'c78c55234f49812e85d4478d9a117f101da0431cdbfd46d6b7f5fe4f55a22b1b' 
  AND (
    token = 'xUS+1KEWMyrNvBcCNQMb6D3Ds0HCpS/zt+NRhU1Wj+o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )