UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7FdKQk0NkJPiRARrAoqWxZPUWNT+K978cup8GstA6kE=' 
WHERE 
  key_id = '6994ca18dfcbdb3853d8f095d07aea609a81228f61ca1ff747bc5d32a0518122' 
  AND (
    token = '7FdKQk0NkJPiRARrAoqWxZPUWNT+K978cup8GstA6kE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )