UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C3DFgRtjEsSpE3jRviZzc+gzc6vrRu61XwOdz7Ixzpc=' 
WHERE 
  key_id = 'a69870d46b91819812d12d8f791ba0d39b912e066212ae49acfd3749f0c4298a' 
  AND (
    token = 'C3DFgRtjEsSpE3jRviZzc+gzc6vrRu61XwOdz7Ixzpc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )