UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8heb3f6wyGb/hjRSVTrySnHBWktp/sJcejMqqxOHJMc=' 
WHERE 
  key_id = '5bfe4942bc41fc30b3a903cb06d394509c56d3b7b4e9ada4b5fa610a11c455dd' 
  AND (
    token = '8heb3f6wyGb/hjRSVTrySnHBWktp/sJcejMqqxOHJMc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )