UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Myigdza2+aaefgq6EbbwMl8CIPWZxQ36Drs+OORLYwo=' 
WHERE 
  key_id = '8e46f2faf8f7c7fe3e03344583159b9dcbf2a93209541c1e6b4a070390e0e6d2' 
  AND (
    token = 'Myigdza2+aaefgq6EbbwMl8CIPWZxQ36Drs+OORLYwo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )