UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0abM3A47Z708v8TkbXDSqe0PiZu7D6lOl2xGm3e+oyw=' 
WHERE 
  key_id = '77f143e125220826001257a6697a5fe429b4dbee67e0f2d31c996fc1bc1b9858' 
  AND (
    token = '0abM3A47Z708v8TkbXDSqe0PiZu7D6lOl2xGm3e+oyw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )