UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/AUQjfe5wkasmyBh8IGBLcZs2+PrUSz1dPwCpNP6yQY=' 
WHERE 
  key_id = '4a8a706db8c764618b1f77ba15f10f575d332c9e4dca8c59dfe67f2d09a4b94c' 
  AND (
    token = '/AUQjfe5wkasmyBh8IGBLcZs2+PrUSz1dPwCpNP6yQY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )