UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mlW09NxoyIk1OTpYgzNqhLX3Ps019xuikqY0vPy+6Lg=' 
WHERE 
  key_id = 'bd5a9e7cb4ca35a69c9463d13913b1a7c4dbaa6d719e8c5e75e07aee367d8bb8' 
  AND (
    token = 'mlW09NxoyIk1OTpYgzNqhLX3Ps019xuikqY0vPy+6Lg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )