UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mMBQJB0T/e+jSVVjAiy3UupY9a+iJzdR9uOEPUADoUE=' 
WHERE 
  key_id = '78f4172a7dccc154956f8895c76d92c5f43d2173961c86447167e8ee73db2eab' 
  AND (
    token = 'mMBQJB0T/e+jSVVjAiy3UupY9a+iJzdR9uOEPUADoUE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )