UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'F0QddQ6KYYm2rtBTTONyK4rIC76TAQ2yTyqrkBHroJA=' 
WHERE 
  key_id = 'ef1ecf912e96c78c96a329a59d2c455d3406329e259236e9a084e5e3764b1520' 
  AND (
    token = 'F0QddQ6KYYm2rtBTTONyK4rIC76TAQ2yTyqrkBHroJA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )