UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '76fcBSUHlrgDZLDR0q3VQNWPf82i3kR0W6eYjYYB3M0=' 
WHERE 
  key_id = 'f6fe8b3b2013ddd6c2ea0c000bc6ed389cd8eaeb8372cff82f90eda1fb3ecd1b' 
  AND (
    token = '76fcBSUHlrgDZLDR0q3VQNWPf82i3kR0W6eYjYYB3M0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )