UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c79Gx+wq/JnL8R+Fx1ZMHfjJwioQc6vADquXLqR6+lg=' 
WHERE 
  key_id = '10c39250219c42ccbc7b2306681b7fb660cc6282df974cf5e5c02ab4d93eafbc' 
  AND (
    token = 'c79Gx+wq/JnL8R+Fx1ZMHfjJwioQc6vADquXLqR6+lg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )