UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z3LH29rSX9I4CAXNA88AgCeQ7Js+Qpp8tcGJxmwXZlU=' 
WHERE 
  key_id = 'd9a56b1bb9b53be5ee1ea8627d0e2e44855f89f765a36d5ab032e1c3ae8ccbbf' 
  AND (
    token = 'z3LH29rSX9I4CAXNA88AgCeQ7Js+Qpp8tcGJxmwXZlU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00018