UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tf3QFWGC4tk4xzMrA3tC8iqVFFyaQ4ZVu1FB2P3BjLU=' 
WHERE 
  key_id = 'dde91e8d972cd07078e2268b01ca1b7081712d3314580cdc3372e0f4323b060c' 
  AND (
    token = 'tf3QFWGC4tk4xzMrA3tC8iqVFFyaQ4ZVu1FB2P3BjLU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )