UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jAj20SmXBcTZ7xCVuT/x28R/f/A64zzHqtKq/sC4Ds0=' 
WHERE 
  key_id = 'a6a345cea7552981fabd36cbbf8a43b5ed7f62342ed4579b491de8639d778872' 
  AND (
    token = 'jAj20SmXBcTZ7xCVuT/x28R/f/A64zzHqtKq/sC4Ds0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )