UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '83vYHDuWBL7vnehgzKB2hbWtWwhDQ6XJhGZbI/SsnEY=' 
WHERE 
  key_id = 'b6d1c7ce5c46b7f2353335965495dfd4a8b21f9023e7eba19af39c0f4324a179' 
  AND (
    token = '83vYHDuWBL7vnehgzKB2hbWtWwhDQ6XJhGZbI/SsnEY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )