UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+vaVtnVvHBhjwRom/wOHKjedqqU6VPzgIb2oWwjTEdw=' 
WHERE 
  key_id = '51741610919ba998e1e289a0a86a3a0ede5722350194022374192322e21f93b7' 
  AND (
    token = '+vaVtnVvHBhjwRom/wOHKjedqqU6VPzgIb2oWwjTEdw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )