UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mQIBdznhUrqYJ/sz1YPA43AzIHabACdAxizvghjkw/g=' 
WHERE 
  key_id = '1dcf194a52068cc9ff4ba5df01a7df2e404bd9b534a9b36943fc18f956ac412d' 
  AND (
    token = 'mQIBdznhUrqYJ/sz1YPA43AzIHabACdAxizvghjkw/g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )