UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NuzSU1vZKYE+u5WL9epsqHqn0rdqtLXYJ4RvdGmeFpE=' 
WHERE 
  key_id = '2e549e31895c6e20bae42c1c91f72ec3e4ed74612595726b47b939e9e1816490' 
  AND (
    token = 'NuzSU1vZKYE+u5WL9epsqHqn0rdqtLXYJ4RvdGmeFpE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )