UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'znrWOuCuKkrOZ6mEpfPtv7AzhOIHY09uO6GwC6DRVZI=' 
WHERE 
  key_id = 'e252361cd94994940576c033eac1171f5996b6f46b021db2d311f845f37f60f5' 
  AND (
    token = 'znrWOuCuKkrOZ6mEpfPtv7AzhOIHY09uO6GwC6DRVZI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )