UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jrdPMwzqBs5AEXbSNxw/5Yv1uf2aK4HgaaMmpREsK5M=' 
WHERE 
  key_id = 'c5e18af733036781662c31bee132f85e45579cf40dbdfe31b34f03fa7baafa54' 
  AND (
    token = 'jrdPMwzqBs5AEXbSNxw/5Yv1uf2aK4HgaaMmpREsK5M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )