UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S2qJ5eAUr8hMW8ELp+GXNbLvSk3+W+Mfgj7HDN7uxKU=' 
WHERE 
  key_id = 'fc4265f92cb8833751c7ab8c45cbe6c771385a41fafdd1ad7bcf0385d32e6b49' 
  AND (
    token = 'S2qJ5eAUr8hMW8ELp+GXNbLvSk3+W+Mfgj7HDN7uxKU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )