UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EpqfpZc5khSJLkHFrk2PavgRULvF4HHn3zOZWKcGehg=' 
WHERE 
  key_id = 'f7e4b8720022a188551fa14ae771ecb69a2292fa30d1b5d9a9131246c1f8fbc0' 
  AND (
    token = 'EpqfpZc5khSJLkHFrk2PavgRULvF4HHn3zOZWKcGehg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )