UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nnNp8oOPVf0VQaYn8QcVo/JvMcKzBMClZPkRESIfbxA=' 
WHERE 
  key_id = '3e643b492b3fa6c97086693872016e3781405d40f5e3a7b8d66390278fae8a74' 
  AND (
    token = 'nnNp8oOPVf0VQaYn8QcVo/JvMcKzBMClZPkRESIfbxA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )