UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/DEGLa1qKo3l/fwCf5UtUU79F917AGS7YVC5uCEGHgc=' 
WHERE 
  key_id = '264a3e02b4617acf8cbf379295879ea245622047b0c33b509318653432f7d29a' 
  AND (
    token = '/DEGLa1qKo3l/fwCf5UtUU79F917AGS7YVC5uCEGHgc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )