UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p8LC10SO6pt7FwjrQQO8q9YgVfhgmxtSLB18Xl1OF20=' 
WHERE 
  key_id = '398ca98e091c5c1279f4a8f08ba5d7411af3ca12a5018089c2e922d936ef1998' 
  AND (
    token = 'p8LC10SO6pt7FwjrQQO8q9YgVfhgmxtSLB18Xl1OF20=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )