UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/U+N0mb5Bes0/hrwzrJnLWxT1VH2lIox9uyFO/BYwK0=' 
WHERE 
  key_id = 'b51853612f5e6f7078f6b13b1e7ce12cf07a86fd73820f38fba8c1d046a159a2' 
  AND (
    token = '/U+N0mb5Bes0/hrwzrJnLWxT1VH2lIox9uyFO/BYwK0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )