UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '27nquv8ACq+hYP1oH+q+vXZUIoXGcvBFIhXRsH+Lse8=' 
WHERE 
  key_id = '21a4e30b17dca3a0891e5be350778d9b166e93cc097ddcaaeb18bff148b1ad28' 
  AND (
    token = '27nquv8ACq+hYP1oH+q+vXZUIoXGcvBFIhXRsH+Lse8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )