UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VuXGh6y9izVWevSkbc8qKRUKAzrAMfbWOoohswxtoTY=' 
WHERE 
  key_id = '502df545afa9c77b96326092727e5eecdf78301f4cd5d6cace841d9aae0cc603' 
  AND (
    token = 'VuXGh6y9izVWevSkbc8qKRUKAzrAMfbWOoohswxtoTY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )