UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b1h1O0Pe5zVkUbdDMqnw+xBWvK2gV6WelZ3TNYo2Pdg=' 
WHERE 
  key_id = '90e4683e5fb2e3f6f57e59d644e294a168e45b17a71f50cbe90c3ba5bc5a3291' 
  AND (
    token = 'b1h1O0Pe5zVkUbdDMqnw+xBWvK2gV6WelZ3TNYo2Pdg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )