UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '53ZKW1dHbRYK7Su14Sy0KTM7d0cFR+TDBGExzW3HGrs=' 
WHERE 
  key_id = 'b76ab0459f06403670a1834fe465f815531056b6ac62049c9970fbf7524fbfd0' 
  AND (
    token = '53ZKW1dHbRYK7Su14Sy0KTM7d0cFR+TDBGExzW3HGrs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )