UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4wVwv2UjPcFGAsAWwc9QCVSX0dvx6r98WJjQ7E4BUUA=' 
WHERE 
  key_id = '4c40501134bb2667f883b7c3dd7ffa1ec3accbe35c9e924387e2fbafd760b74c' 
  AND (
    token = '4wVwv2UjPcFGAsAWwc9QCVSX0dvx6r98WJjQ7E4BUUA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )