UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+md8o4liXKOQGPOaJHV4V+5COriAMRTPGF1KiiQow6M=' 
WHERE 
  key_id = 'b9b4972f0546a94c81c4255db63eecd7227232173da07d1e249534cd0bfa165a' 
  AND (
    token = '+md8o4liXKOQGPOaJHV4V+5COriAMRTPGF1KiiQow6M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )