UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QOb4Ss35iJma65Fc9HYZmRZ7DudRHwlHEdhO4f/mk4Q=' 
WHERE 
  key_id = '3e098ef0d286b99baa03cc8d438d2133ac5717cf7f9d27b16dbc4df2b74f66b4' 
  AND (
    token = 'QOb4Ss35iJma65Fc9HYZmRZ7DudRHwlHEdhO4f/mk4Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )