UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xpI8wTx6fRiOrDgQNx+THIsO1sayI5O7x62diqeuSG8=' 
WHERE 
  key_id = '5adf9b72923b0d840cfa399ae0919f9d4a9413dc9f678c78cfc3c4e40a45d276' 
  AND (
    token = 'xpI8wTx6fRiOrDgQNx+THIsO1sayI5O7x62diqeuSG8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )