UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JpLLFtqpNav84bAKtL+OVSur+uqYUjXaish1ejziTK4=' 
WHERE 
  key_id = '87ddd168e0d68a81977dff3f7e10552f353a11b8fed148557ae8e24fabca7784' 
  AND (
    token = 'JpLLFtqpNav84bAKtL+OVSur+uqYUjXaish1ejziTK4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )