UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q26TbfvFihD+VKBeiyEv8E5M6kTfPU5BA5VKMwxjoPI=' 
WHERE 
  key_id = 'e53e36dd73bb50a47448361e1d38d31db46af0fb16a3d1f49d8203c1578b68cf' 
  AND (
    token = 'Q26TbfvFihD+VKBeiyEv8E5M6kTfPU5BA5VKMwxjoPI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )