UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2TU8jjz0i20E+VJZumnPgYSjJ7EyBxmHTGfSOkf/VO0=' 
WHERE 
  key_id = '6d6a567c8e37f932839a12157df0ab5d4490e2b6394503d52031057fdbe138e9' 
  AND (
    token = '2TU8jjz0i20E+VJZumnPgYSjJ7EyBxmHTGfSOkf/VO0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )