UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k+4np0IaqRcUd+ZQOjCPJshiXmYZqj1ngS58NgEt7rE=' 
WHERE 
  key_id = '6db827af32991ffe7968bb6635b5894e04d208c3c253b83b050cf69331e5a0c2' 
  AND (
    token = 'k+4np0IaqRcUd+ZQOjCPJshiXmYZqj1ngS58NgEt7rE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )