UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TzhNwRb93cHtbzDU5Y6E8zB2WOx89NdR3gD0w/FxyRE=' 
WHERE 
  key_id = '55d547c5fa8b6c5438c540dbde4e932b7081c31788f3047fc0292effaef9c4dc' 
  AND (
    token = 'TzhNwRb93cHtbzDU5Y6E8zB2WOx89NdR3gD0w/FxyRE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )