UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5Pkt9suakb9n+iA2/n8YREIMFJBIUvJS11gzN8svmxo=' 
WHERE 
  key_id = '6b58c6046113a9a6725949abc32c57dcfc0097f41006c1bb1650afc4703d524e' 
  AND (
    token = '5Pkt9suakb9n+iA2/n8YREIMFJBIUvJS11gzN8svmxo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )