UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eYa94zJXMELcVsm70nhHxw99jKcgLTTkBJgdrWGX2yA=' 
WHERE 
  key_id = '2a588e02f164bd14f03e387c6935b8a78af9e83acd904136e751322cf09eebd5' 
  AND (
    token = 'eYa94zJXMELcVsm70nhHxw99jKcgLTTkBJgdrWGX2yA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )