UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6ktJb8tepR0/BoEszYL8g9p8E6GSkPeEbM4Eip0ox20=' 
WHERE 
  key_id = 'a4056653dd1ec5daab2d01db9c054411f56c8e3fca36f6aaedbc59b9f34eed26' 
  AND (
    token = '6ktJb8tepR0/BoEszYL8g9p8E6GSkPeEbM4Eip0ox20=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )