UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4bTDGyceDrnPvfeZZDUqEHviXstYFopChnJYLk6llXQ=' 
WHERE 
  key_id = '61685d582b1c11af027d26082a41a6165d33e3d87469edc91ab77508a78d9014' 
  AND (
    token = '4bTDGyceDrnPvfeZZDUqEHviXstYFopChnJYLk6llXQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )