UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5WrjUlVFWL6ic0cMSxPdN8cxwmXgvbGITwlLEiVnRtk=' 
WHERE 
  key_id = '76e8aa472f96c3e9ca54924568d767fff71173076e85634f3853b1bf06997671' 
  AND (
    token = '5WrjUlVFWL6ic0cMSxPdN8cxwmXgvbGITwlLEiVnRtk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )