UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lBTZUOS/pEucg4mXXJ0yC4Iibfpq/ayxxq6ZKheo05E=' 
WHERE 
  key_id = '21c6e5d514ac6e39ab94d17d2f146ff5a08052968c26e9374614374f317342f4' 
  AND (
    token = 'lBTZUOS/pEucg4mXXJ0yC4Iibfpq/ayxxq6ZKheo05E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )