UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r4vuFrmvqrEpFOaH0fybBkLbrcVqobsdEsWhKAXJNGo=' 
WHERE 
  key_id = '524d6b4a84234857a065171a61fb09cced50e654177f0eedaed2b418afa009e7' 
  AND (
    token = 'r4vuFrmvqrEpFOaH0fybBkLbrcVqobsdEsWhKAXJNGo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )