UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SM37lrT+kKzHTModvkbB/mWHXe/U1bnSYyIo83IAN3w=' 
WHERE 
  key_id = '656d1a9762adfe76f9ae8d24d939399f6f3971a4bc389e022201d0a2d213cbee' 
  AND (
    token = 'SM37lrT+kKzHTModvkbB/mWHXe/U1bnSYyIo83IAN3w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )