UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GRbneiIP4QdimmmQuG2NB7wjPZEL0IiG/1U8rdmvUAI=' 
WHERE 
  key_id = 'f481ab478c919bd603194b1e7aa6f0f8e4173d422f165cb683681140c29b1569' 
  AND (
    token = 'GRbneiIP4QdimmmQuG2NB7wjPZEL0IiG/1U8rdmvUAI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )