UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WkVJi5qF3nNEpcqHnD3Cx9nLsA47ClDFA18qd99spaM=' 
WHERE 
  key_id = 'e62c07d9fca907040c779a68a067026464e13d9622b33efea1907f803b798de7' 
  AND (
    token = 'WkVJi5qF3nNEpcqHnD3Cx9nLsA47ClDFA18qd99spaM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )