UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KzNgKfdu8TrwFHu29UMrIp8XBzk/0cXDMhZMT1ool+A=' 
WHERE 
  key_id = 'b455c8dbf6556f4608d6e1306fd95a7fbb1f45da53a21ea58b57541bfeb81394' 
  AND (
    token = 'KzNgKfdu8TrwFHu29UMrIp8XBzk/0cXDMhZMT1ool+A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )