UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0MSRnJU0hStzjUw7SnwJzvcZh7Sln6pGS/gZrbx8JrQ=' 
WHERE 
  key_id = 'a450637cd0b25910950f92f6225f78fe888d0f53670db5c1ff0dced711a31ee8' 
  AND (
    token = '0MSRnJU0hStzjUw7SnwJzvcZh7Sln6pGS/gZrbx8JrQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )