UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cks6fKSxTHShsTV0nyfcs+cQa1sPI9mvMbUm7HaLjWE=' 
WHERE 
  key_id = '5256538cd35532487b0e10ddd9ac05c7f2d224c29e0824470e5b4a8ac51a02db' 
  AND (
    token = 'Cks6fKSxTHShsTV0nyfcs+cQa1sPI9mvMbUm7HaLjWE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )