UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VchoDhzlNk974utw8qw6j1efLChkH6FXvn8yi1LHTb0=' 
WHERE 
  key_id = 'dadd3e136ee7e9bb8b14c2237c317e044e3c10e6d8ef01e92fb559f9def0f70c' 
  AND (
    token = 'VchoDhzlNk974utw8qw6j1efLChkH6FXvn8yi1LHTb0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )