UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C981HZfXevQNTd13aRwOTZNLWfZRb5Z8dzP3M4EBbl0=' 
WHERE 
  key_id = '159eab4b209812a2c430a142a34f0d0eefbb4079a0e3fecaf453518f22aa51dd' 
  AND (
    token = 'C981HZfXevQNTd13aRwOTZNLWfZRb5Z8dzP3M4EBbl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )