UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JnfQVhMWYVja/1dPR8pa70p9ZifrdmT8nhkppecS/Ck=' 
WHERE 
  key_id = '429405573b6f3d405679464bd7c78cd120c2cc7afa5cb5f7cacf8839a0273b53' 
  AND (
    token = 'JnfQVhMWYVja/1dPR8pa70p9ZifrdmT8nhkppecS/Ck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )