UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z6bwYL4l+/KqzaFmTbBwjJwnuJIK24vUi6O7YjKaTVA=' 
WHERE 
  key_id = '9f5052894f02f8d89b867cd5af400a6698cfc4aaa9930bd56e08936280fcd45a' 
  AND (
    token = 'z6bwYL4l+/KqzaFmTbBwjJwnuJIK24vUi6O7YjKaTVA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )