UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NLj6jVlppgx4+WtS1mvT5/x0F0GXwo8IPwWKMy+qk0I=' 
WHERE 
  key_id = 'c5a0c7f99a075d9838b2e12c10dfa4c71469827f85ca211ca5a2d677d3afdca7' 
  AND (
    token = 'NLj6jVlppgx4+WtS1mvT5/x0F0GXwo8IPwWKMy+qk0I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028