UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ElqUT9bbfhwt/b92p0VsKJFx7KsqT5U0MSuzMlE4c+4=' 
WHERE 
  key_id = '2dc15e08c963fef8aed12bde2b7e89be5a27c9264a580ea7e9622de09a6f7527' 
  AND (
    token = 'ElqUT9bbfhwt/b92p0VsKJFx7KsqT5U0MSuzMlE4c+4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )