UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zMdtXkcoUdjvlxmQSQbPpjYmKZHojkqhyErDHs/vUr4=' 
WHERE 
  key_id = '4cc5ac31c870c7ab4e1942b1a4339a18f7ffc61ac4958a2279df327a29c9a31e' 
  AND (
    token = 'zMdtXkcoUdjvlxmQSQbPpjYmKZHojkqhyErDHs/vUr4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )