UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VyKfzJ/iMqjQoaG4JMse05L4tcepH0He/mesRJgTGjw=' 
WHERE 
  key_id = '452030d774c9b4881b53f8d7681fc119d8973d806da4fccc0290f37f87d6ec80' 
  AND (
    token = 'VyKfzJ/iMqjQoaG4JMse05L4tcepH0He/mesRJgTGjw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )