UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '50Vtb6C5XmJEWxKvJLsQAmxu78+nWCSQY4565F2OUU8=' 
WHERE 
  key_id = 'a6ac081d09abc6b7b7d561dbdcf1dbd320ef4402f579ca97e37885010985b2c8' 
  AND (
    token = '50Vtb6C5XmJEWxKvJLsQAmxu78+nWCSQY4565F2OUU8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )