UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PsgMKktOl73nbcUQnAtjSc0jLHzIMahItP6gja7AQh4=' 
WHERE 
  key_id = '6dcaaaa7544a40cfc1ca648aa8738d914aa802700fc456b360433145cccada19' 
  AND (
    token = 'PsgMKktOl73nbcUQnAtjSc0jLHzIMahItP6gja7AQh4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )