UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KJsgEW7c35pUBYaDhJhk4ky8payIjHsSIMxWksR+pIU=' 
WHERE 
  key_id = '27964e78048a6837d1bd5c4169c7eb25e7a3945427c06b0debd7b8a56f26b912' 
  AND (
    token = 'KJsgEW7c35pUBYaDhJhk4ky8payIjHsSIMxWksR+pIU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )