UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't1oATjT7QYlVqCt0k2b6FgW9mJ8YseopBy6rTX3LKHU=' 
WHERE 
  key_id = '7b538249bca637858c687fe66e3125ee0dd4dba2fdcc029ca6d312e368810631' 
  AND (
    token = 't1oATjT7QYlVqCt0k2b6FgW9mJ8YseopBy6rTX3LKHU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )