UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zz5PVZgnbPM60fIqksNF3C7gBqFRR3TUsJEpdksfSVw=' 
WHERE 
  key_id = '84f02846045e0b5268b4e0aa8738bea7973c407555258cea79ef895d2d1d39ee' 
  AND (
    token = 'zz5PVZgnbPM60fIqksNF3C7gBqFRR3TUsJEpdksfSVw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )