UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fdBHpi88nIuRAIoA8nvaJBFpNCM0PyVBBxzG044rqW8=' 
WHERE 
  key_id = 'bc42e83e4bc34b5a5cfcbcccbabf38404c0ad0be91a5780c26fb647bad7fe6af' 
  AND (
    token = 'fdBHpi88nIuRAIoA8nvaJBFpNCM0PyVBBxzG044rqW8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )