UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'clwxUWKEjUdMMRFNKLg8T6BcQIop/QXcI/dUvSCsLsY=' 
WHERE 
  key_id = 'e4e13ded4447ab4e77401fb49f4c42f1744b003f5cc2520fbdc858a8714d6ec7' 
  AND (
    token = 'clwxUWKEjUdMMRFNKLg8T6BcQIop/QXcI/dUvSCsLsY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )