UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fXvRp9Holcs5+6vUwVT34cclO7TMEnzm2k0VO9BkV30=' 
WHERE 
  key_id = '77ca6934000dc14b37b20b756f98be5f9f8b23a2262cf6946720c0ac2a8f92c6' 
  AND (
    token = 'fXvRp9Holcs5+6vUwVT34cclO7TMEnzm2k0VO9BkV30=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )