UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eiOQziX+hmHbv9N+MNu7c8ULhjG0TGBv2doEEdOYuuk=' 
WHERE 
  key_id = '2e3f0d6d7b8aa407d5d0e9936fa26537f8e5fe372b235b540879b22165bbbbc3' 
  AND (
    token = 'eiOQziX+hmHbv9N+MNu7c8ULhjG0TGBv2doEEdOYuuk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )