UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MU5kqgWotjeamxHx9kV9OtSVVHXSuRc7mx6EqA+XkFU=' 
WHERE 
  key_id = '0a464ca75c703df3225abe936b972b403495b261e7621a04c3e66c6444b05f96' 
  AND (
    token = 'MU5kqgWotjeamxHx9kV9OtSVVHXSuRc7mx6EqA+XkFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )