UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3uoLFpRvuOpU2QWPVJNWgEOTOl2U88G4074ANePY1wI=' 
WHERE 
  key_id = 'ae85d6a986f71f5cd29a29c3a158bbcac198fafd6fd363e709c772c2c4fb7848' 
  AND (
    token = '3uoLFpRvuOpU2QWPVJNWgEOTOl2U88G4074ANePY1wI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )