UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hrF2e1e5zYUAdMVq8GLPDHJxhCXwcj0fDQYsmzAt+Es=' 
WHERE 
  key_id = '2e6768daabbc6567f9759d41f515a4b9520e1098a2898a7f82a8d6f482d5b8c5' 
  AND (
    token = 'hrF2e1e5zYUAdMVq8GLPDHJxhCXwcj0fDQYsmzAt+Es=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )