UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zN6xKhuAZQQJTfXDXniUb9QCFJi5GjA3OeHEQM6RuF4=' 
WHERE 
  key_id = '91b24a05dd24d4cf3f23e5a5738c8a57b1055087faca33f31bb62a240daa6016' 
  AND (
    token = 'zN6xKhuAZQQJTfXDXniUb9QCFJi5GjA3OeHEQM6RuF4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )