UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iuNwJiV+odggC0GSgDZhJX3q7/f8+of2c4HKEFEaA+0=' 
WHERE 
  key_id = 'a821fefbe71c2415a658430c2e51022a081cfe0fa1944591059b90a187da7e3c' 
  AND (
    token = 'iuNwJiV+odggC0GSgDZhJX3q7/f8+of2c4HKEFEaA+0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )