UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nnxt0vL79kiUaoQFMXU/sD6OTzVjgq0UHhCMGaPb0fc=' 
WHERE 
  key_id = 'a8c44771408aaa2755d6dcb92561bc9cfe6f6b3c122f472fe35db271b8dc7a88' 
  AND (
    token = 'Nnxt0vL79kiUaoQFMXU/sD6OTzVjgq0UHhCMGaPb0fc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )