UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WPxD9kQjTS+c6VbxVCH2YPsmvk4RKGWmJ8Xp+Z/Ihfo=' 
WHERE 
  key_id = '8b982cfcc037dbbe634cd4ec37ebd2becf91dfc7126e7a47a7eb585b8be8b089' 
  AND (
    token = 'WPxD9kQjTS+c6VbxVCH2YPsmvk4RKGWmJ8Xp+Z/Ihfo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )