UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j6e6I4Bf3Ldz6lvJ5CMMcgAu/TvKHDGXc8UrghBnkbE=' 
WHERE 
  key_id = '8701cd2e14718aa21d45bffad4a7abebc5208343e53136c3166a770ffb0dde2d' 
  AND (
    token = 'j6e6I4Bf3Ldz6lvJ5CMMcgAu/TvKHDGXc8UrghBnkbE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )