UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HjG8JiBmXT/lIh9wesmDh/fJlqAehH+Lx92ro4723oY=' 
WHERE 
  key_id = '2ce4e5777bf6dcde0af72b9dd50747ddfb61255c11f21feaa510f6cc2d0cd5ac' 
  AND (
    token = 'HjG8JiBmXT/lIh9wesmDh/fJlqAehH+Lx92ro4723oY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )