UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iMCVqGJ3oKUKAnMICAtu7NAoQPIFWizK2qSjwXAg30M=' 
WHERE 
  key_id = '52cbcb0a0264346a9fabc3d83a5bb9aeaa4fa9284b485b8a15dd3ce1ef7a7240' 
  AND (
    token = 'iMCVqGJ3oKUKAnMICAtu7NAoQPIFWizK2qSjwXAg30M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )