UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PLrYRPgIJBqTXky7Xmx7V/tMA0Y9TNb8cBl3EpoIcig=' 
WHERE 
  key_id = 'c3cd38ff0cdee42eadd41b82f2b27af8dcc4460122fd4e41298bc40b9c77ce13' 
  AND (
    token = 'PLrYRPgIJBqTXky7Xmx7V/tMA0Y9TNb8cBl3EpoIcig=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )