UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u+5Srjh806kO/6dL694wfmhYLOVr1drh+HpUMxfwIuk=' 
WHERE 
  key_id = '575d6ab50861d57cd0feacba87e9e55af419f15096d160adac71e230091be2cc' 
  AND (
    token = 'u+5Srjh806kO/6dL694wfmhYLOVr1drh+HpUMxfwIuk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )