UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'omllXceZ5AqPAW5xAay79drgDuhRW/N5+gQxxZ9vx5Y=' 
WHERE 
  key_id = '94dcc592d0154335cc42a3396b1b5bf2b905f1a3651251c5a19d1a0e51a07304' 
  AND (
    token = 'omllXceZ5AqPAW5xAay79drgDuhRW/N5+gQxxZ9vx5Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )