UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zw2/5C7Wq/CJgkXVGA4cFec/X8F1jlLu25/9NwKVrrU=' 
WHERE 
  key_id = '15dc8d6e05d66b4071a29674be5e4e7b993486a976a203ef6e91ffb2214c4658' 
  AND (
    token = 'zw2/5C7Wq/CJgkXVGA4cFec/X8F1jlLu25/9NwKVrrU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )