UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cNpLtvPLIjhOf+mKeoFbiYX0K83ZlqKfyPrDvKWpjQ4=' 
WHERE 
  key_id = '18aee88338629563be73de7c1b6eb91a211adfc4a0c4c6aae8e68e2aad0e558d' 
  AND (
    token = 'cNpLtvPLIjhOf+mKeoFbiYX0K83ZlqKfyPrDvKWpjQ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )