UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n6rCOjZSKQMj4XABZXILkLUpF8mVdQTvqEVzyf58YLw=' 
WHERE 
  key_id = '901639add01f8a7f77c9c61faac71265f8c1afc075286bb2aa3f991c5a47f969' 
  AND (
    token = 'n6rCOjZSKQMj4XABZXILkLUpF8mVdQTvqEVzyf58YLw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )