UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MN/5JF9isMTb5IKc0bklr+20D4lYMhjfKd8NARzbVU0=' 
WHERE 
  key_id = 'b6057a71be2de0baf44252cb13e685b3bde65c9d8d73b4acd13ef0fd4afb3cb6' 
  AND (
    token = 'MN/5JF9isMTb5IKc0bklr+20D4lYMhjfKd8NARzbVU0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )