UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dpUUEshj+hKREVWgOYtmMlMN/lWxSLLeOqTGaHQ6j9Q=' 
WHERE 
  key_id = '818ac6c9494e1fbe8e743a7c22ae27be9ad7b1e68ef4385398b73f67a8edf471' 
  AND (
    token = 'dpUUEshj+hKREVWgOYtmMlMN/lWxSLLeOqTGaHQ6j9Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )