UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Yx7JEFIGMbkevEzqMD/7TTqY96vxFdK0r0dgh352C0k=' 
WHERE 
  key_id = '6b33612194e51f0f12c5939550057369538017db082e54f2b72d42c6692cf27c' 
  AND (
    token = 'Yx7JEFIGMbkevEzqMD/7TTqY96vxFdK0r0dgh352C0k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )