UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't4+V8WkB46afvKDxyw8m8wbSVHeiGZb5v8i4P6j+DOA=' 
WHERE 
  key_id = '31fd640b88b0f1d752a97fc854f1e16ecad634d92e296a6764bd993590a352ba' 
  AND (
    token = 't4+V8WkB46afvKDxyw8m8wbSVHeiGZb5v8i4P6j+DOA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )