UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RqbDvrseORU4hDtJ25uJjskWk+sD4F2YCzdT1lRuum8=' 
WHERE 
  key_id = '39a75b1400fd2a55b6433f0999849bb6a255c75537a39520a989c98a6fbe38d8' 
  AND (
    token = 'RqbDvrseORU4hDtJ25uJjskWk+sD4F2YCzdT1lRuum8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )