UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Em9Zv1qf0xMUfr2DnKrZ0+RZUVNlGPB6OCPpBJmiThg=' 
WHERE 
  key_id = 'ad00cfa2772e0450f10f449b78e50489ac534aaf7837bddb813b4ac347ba3a39' 
  AND (
    token = 'Em9Zv1qf0xMUfr2DnKrZ0+RZUVNlGPB6OCPpBJmiThg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )