UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tlYaRp8w+AcDphC+p96nDdcAmdUqoAaPw1RzSpYlcI0=' 
WHERE 
  key_id = 'e8bdb75a1f89c2c0637b4cb6ebacb28913784727b59a6f3c2f907e16b0ae107a' 
  AND (
    token = 'tlYaRp8w+AcDphC+p96nDdcAmdUqoAaPw1RzSpYlcI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )