UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dg9IGhRl6CiaGKrS7pojEtBxqzYOH4Zmv9SXyp8YWV0=' 
WHERE 
  key_id = '3f8c5c2ec72612185887d1ba2fe6ba8febddd24b778749e8d009d888b089545d' 
  AND (
    token = 'dg9IGhRl6CiaGKrS7pojEtBxqzYOH4Zmv9SXyp8YWV0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )