UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CzVBHse8baFG8srtm4HdXc7MXKPlXQpAjqBb6yKwtqk=' 
WHERE 
  key_id = 'b97c5e2d860b633a0ba85e01de6bf4855cdf661b499e81f9e76f0487a1ed851e' 
  AND (
    token = 'CzVBHse8baFG8srtm4HdXc7MXKPlXQpAjqBb6yKwtqk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )