UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a2nQnsnZsjtw8IaJQVYB13l6JrKOzqkgvb+Y9NISxrE=' 
WHERE 
  key_id = '931e475e8f236555b51d4f462f3e8bf3877bd857b6f943b5e2a182c4f40f152a' 
  AND (
    token = 'a2nQnsnZsjtw8IaJQVYB13l6JrKOzqkgvb+Y9NISxrE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )