UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tnQKCLrqCUMKgtonqWkQAhqjNCWVAiYfwH6jLk1rgZo=' 
WHERE 
  key_id = 'e512194f36b4c3912e57486e3f9b7ccf7718fddc7e83092ce4f33b45eda13a52' 
  AND (
    token = 'tnQKCLrqCUMKgtonqWkQAhqjNCWVAiYfwH6jLk1rgZo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )