UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RHuXKf9Rmb4tEZthWYKXXRE+go3JPVQiAbpKIfV8kwI=' 
WHERE 
  key_id = 'a74d787e2de12a6bd550dfffafb8984d3a38634edd1f30c9a6fd31a29300664c' 
  AND (
    token = 'RHuXKf9Rmb4tEZthWYKXXRE+go3JPVQiAbpKIfV8kwI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )