UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BimyPTfECyj2x/gcl/CkTlnAmoA5ixIbgaVqENHsGOE=' 
WHERE 
  key_id = 'ce642ba3b32a590163d2274fc006ffd0542138b70387843ab9cee28999430865' 
  AND (
    token = 'BimyPTfECyj2x/gcl/CkTlnAmoA5ixIbgaVqENHsGOE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )