UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pCUhvDrtqCzDkJwEmkDsH83k/EZIX2igazxDflCR+MY=' 
WHERE 
  key_id = '86669e7de873810c3e6ad1ea2b9fe22acad5057b8b703ec7a812e0f10da29535' 
  AND (
    token = 'pCUhvDrtqCzDkJwEmkDsH83k/EZIX2igazxDflCR+MY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )