UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'emUCSImv1spzuN+k2VO9k1cJWxe7MUHXA1WukuoMyeI=' 
WHERE 
  key_id = 'fb0f19c4590c55140a63ea406dc64a33aedbf57b94c897bd77de824d21c2b502' 
  AND (
    token = 'emUCSImv1spzuN+k2VO9k1cJWxe7MUHXA1WukuoMyeI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )