UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YgvWrlQVWXURFiVAw6DDlXjPY+O0FfgEtXnCiZN/3S0=' 
WHERE 
  key_id = '6aea1b34b80f45c48b9b9459d1e3f105fb70190f297d6d6bcafe35a1cb527037' 
  AND (
    token = 'YgvWrlQVWXURFiVAw6DDlXjPY+O0FfgEtXnCiZN/3S0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )