UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tIARGu2IHXQz+HOwb48dJsNdkpENwNVPJODclNj5fi0=' 
WHERE 
  key_id = '14f2e966f574249656349094c5e578a6157757b0483f6b76d63c26f6188c966e' 
  AND (
    token = 'tIARGu2IHXQz+HOwb48dJsNdkpENwNVPJODclNj5fi0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )