UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zSNTZhRKOIZPq3B6QkVX25Ah+StBzEfuteYh8/DkcP4=' 
WHERE 
  key_id = '27bd75d1ca7077b95d1d5efd265bd693a7e4774248e3a181ceb93a2de9394074' 
  AND (
    token = 'zSNTZhRKOIZPq3B6QkVX25Ah+StBzEfuteYh8/DkcP4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )