UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bKJMxkQjswWe8Iciu3snHOL/qPqlaNG8cxDnWDSIlWw=' 
WHERE 
  key_id = '2dc6cdea7e9a1bdf2b7bd56a9373580956b47671df1420fd0f92b152455eb6e5' 
  AND (
    token = 'bKJMxkQjswWe8Iciu3snHOL/qPqlaNG8cxDnWDSIlWw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )