UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'waMedumLMfTaW4rO7dVW6L9llmKih7KEy9CHQIlNN20=' 
WHERE 
  key_id = 'c03e5eb8a7c0c377560b60fba37980c00bbdd83565f19a33e44357541518d68b' 
  AND (
    token = 'waMedumLMfTaW4rO7dVW6L9llmKih7KEy9CHQIlNN20=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )