UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w3Mt6BxPxAJtC2vDZTLrN4oULh0cVPy5i5ujyvYOrdE=' 
WHERE 
  key_id = 'e68253170facf964dd4f89d5c7364de92a3841ee858c69c6fde97508ab35a92f' 
  AND (
    token = 'w3Mt6BxPxAJtC2vDZTLrN4oULh0cVPy5i5ujyvYOrdE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )