UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dgbUeX4OW95gJ6W0yNV03hDc9bng7/RyF/ZO2bsMt/8=' 
WHERE 
  key_id = 'c63a2a799df4676d11951b8cc40892c5a1d5c60c9cfe4d9c98403b0db31a2c88' 
  AND (
    token = 'dgbUeX4OW95gJ6W0yNV03hDc9bng7/RyF/ZO2bsMt/8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )