UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H8D5CYAmcc1rKgKZlddtK1sd6zzF4E7AcKPDTAInSB4=' 
WHERE 
  key_id = '15c67f17d9b539d687c0bc0dd98cab28aef41ef6ab975912950e1e03d73df9ed' 
  AND (
    token = 'H8D5CYAmcc1rKgKZlddtK1sd6zzF4E7AcKPDTAInSB4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )