UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MKeyD5pJWnyfpE7ttk4xJEsT/TNwydBLcCMi2KGAqws=' 
WHERE 
  key_id = '29f16fbab05daf0644d06a3d0fae72b0e92b2cb4808a2593ea385142394c4b15' 
  AND (
    token = 'MKeyD5pJWnyfpE7ttk4xJEsT/TNwydBLcCMi2KGAqws=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )