UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bRNpq4mUVjhVKeMf5n0pJiV8D/wkuVhtcbuIGAKm+1c=' 
WHERE 
  key_id = '41c04ec53018a78ebe70e637e6e3c5302cc587797f0ce98a1d212dcef39a36c2' 
  AND (
    token = 'bRNpq4mUVjhVKeMf5n0pJiV8D/wkuVhtcbuIGAKm+1c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )