UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VB1E2bk4kkm5RjNLg+6kE5rnDh1GZfo9CWvsKqG0seM=' 
WHERE 
  key_id = 'e6841d2e282da3f2af184058e6dbb78a252a74ca9a4489004074c58526a5265a' 
  AND (
    token = 'VB1E2bk4kkm5RjNLg+6kE5rnDh1GZfo9CWvsKqG0seM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )