UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm+bfLHEzfMEk5BOyPwqHRpqrx/XBhR5NgVSP0urKqvQ=' 
WHERE 
  key_id = '6c40988f9e28e5414df1b9c869031194b8430d30814e7d101c120f114413b66c' 
  AND (
    token = 'm+bfLHEzfMEk5BOyPwqHRpqrx/XBhR5NgVSP0urKqvQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )