UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N6TIXTMhgZe6Dd3a99RBzLdlzg2/8MOGdsLlABddtPo=' 
WHERE 
  key_id = '4f29e03c374ff94e040a8da7f819153814618e24f0d2e2315e82c505daa72e7b' 
  AND (
    token = 'N6TIXTMhgZe6Dd3a99RBzLdlzg2/8MOGdsLlABddtPo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )