UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k3pwcQwfoo4OvFiYfDLoVDQyyVnzCqX0GRvXjSFcujg=' 
WHERE 
  key_id = '0452d4ae109d67509932423bee47baaaadcabdd5703d1b67733e9e44906334bc' 
  AND (
    token = 'k3pwcQwfoo4OvFiYfDLoVDQyyVnzCqX0GRvXjSFcujg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )