UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yqqmXF4jGR37qNukagWTVWpJup2rF8JdVoA9Cucs+i8=' 
WHERE 
  key_id = '6753b62b2c69a12efc404913e6f3b3cdc5cf2b25139a0ef0128a30430a2cefe8' 
  AND (
    token = 'yqqmXF4jGR37qNukagWTVWpJup2rF8JdVoA9Cucs+i8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )