UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D0CqecLikqpt8i5jePiCYJdPeNSFSPAhBK/GMgPiHtU=' 
WHERE 
  key_id = '24f9bc021901517cf1cec82025751adc9606451779b1735ba690e62a4f58faa4' 
  AND (
    token = 'D0CqecLikqpt8i5jePiCYJdPeNSFSPAhBK/GMgPiHtU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )