UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cLj8/IXZeU//cZmXO1v3KkE7W6owVSYvj6znuO/FPRw=' 
WHERE 
  key_id = '0dae58b8e2aca2433f58df67a644d6197cb191afda5ce5548c61a5de648b36f7' 
  AND (
    token = 'cLj8/IXZeU//cZmXO1v3KkE7W6owVSYvj6znuO/FPRw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )