UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r70eK4muuzVF4p04SbIL2GqiNK3H8J1BNyFioQaZiFU=' 
WHERE 
  key_id = 'a6baea15cb0f6e6bfd7056e87f37c802639615e72e73f86670b10540de2d2c13' 
  AND (
    token = 'r70eK4muuzVF4p04SbIL2GqiNK3H8J1BNyFioQaZiFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )