UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HKdWQ4xKm4qqA4CibW5D3CNSqHl9k2+zleg5l/wAePI=' 
WHERE 
  key_id = 'f614ee09e1c4c75698fc14b8fb33c58d7eee847d33982bf07f73652f0b1e6616' 
  AND (
    token = 'HKdWQ4xKm4qqA4CibW5D3CNSqHl9k2+zleg5l/wAePI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )