UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LxR1hDBZD00sEY+I5lqksjlNMWL+j/zbOhAQOnHdN3U=' 
WHERE 
  key_id = '6c4b5787908ed07dcab27d2cd2fa76368d84bbff07f4dab144c29b97377e3617' 
  AND (
    token = 'LxR1hDBZD00sEY+I5lqksjlNMWL+j/zbOhAQOnHdN3U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )