UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hIXYokWzRVgZLNOP9DPhSvAVHDT+N3rGCGaAPASDUfU=' 
WHERE 
  key_id = '42b6855d2a577c57f02cb833d285a1f1b0324bdd1b71583f6c12059487a54646' 
  AND (
    token = 'hIXYokWzRVgZLNOP9DPhSvAVHDT+N3rGCGaAPASDUfU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )