UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w2/wZcfl5zqBhuexHWNkMJLSUaXdRqjdqR3DRpz/0eQ=' 
WHERE 
  key_id = 'bff39a15e240578c001f1a6d613456b3e36177fb36efe26f27683d9377af5b38' 
  AND (
    token = 'w2/wZcfl5zqBhuexHWNkMJLSUaXdRqjdqR3DRpz/0eQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )