UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SLTVXKB8ypWG8QJOWU+PLp88VO0xRoZlDDZq0P6xkMQ=' 
WHERE 
  key_id = 'f09d796ef542db0b7dd9feb883186b3e49ee4b8d0b6024d664d11be7bd6b35a4' 
  AND (
    token = 'SLTVXKB8ypWG8QJOWU+PLp88VO0xRoZlDDZq0P6xkMQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )