UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GNZZVoIq3hOZNbjc81RPuMp7S5t/Lywgg5puUYuC9n8=' 
WHERE 
  key_id = 'b6f8e40fee3bb464afd4752707c2e538db806e155002342651f5db3f62402f76' 
  AND (
    token = 'GNZZVoIq3hOZNbjc81RPuMp7S5t/Lywgg5puUYuC9n8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )