UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wyKdVWSCTdrEqa9SAOgXpk7ZZZSTI13HYytPnLGxEXc=' 
WHERE 
  key_id = 'b6646da8a2c7c30505b85f9db43649849a896326f4a1b67c089dc813403810bf' 
  AND (
    token = 'wyKdVWSCTdrEqa9SAOgXpk7ZZZSTI13HYytPnLGxEXc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )