UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/gZ7ojm0ek3rePCMqwFvX6SYJEGIl5Fo+pCjOalhwfU=' 
WHERE 
  key_id = '36574d8207ee4db2b10a433354687dae7be3f0c6e46c32c3d4b75573914673e9' 
  AND (
    token = '/gZ7ojm0ek3rePCMqwFvX6SYJEGIl5Fo+pCjOalhwfU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )