UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cywKMJY+OAAS1WQSRbzdVxB07CElfIKXRU39JcvRWKk=' 
WHERE 
  key_id = '05b3de99513b06d62840fa43be5646585b35ad8b3d4d370ad1411365053946f5' 
  AND (
    token = 'cywKMJY+OAAS1WQSRbzdVxB07CElfIKXRU39JcvRWKk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )