UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oaHjHwA/YM1bbrI/nM9dHQAejAUPEzy19h9vqkZk/rc=' 
WHERE 
  key_id = '7e38d6524cf342cd98defdbb67531407e6b1b64dfd03b356187707eacaf6f487' 
  AND (
    token = 'oaHjHwA/YM1bbrI/nM9dHQAejAUPEzy19h9vqkZk/rc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )