UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CWkzT6cs56FD8KdfHzcZcJc0b7ux+dTKe/5CYSAfWRk=' 
WHERE 
  key_id = '4afef6c90af09f6160f209e847ed4cdc5b4cfbfe3f090c331253549f86067ab1' 
  AND (
    token = 'CWkzT6cs56FD8KdfHzcZcJc0b7ux+dTKe/5CYSAfWRk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )