UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WmPYBw6dJUBTVdPA1XJXgvZrrcnLYFLnU+lTEgPYT2M=' 
WHERE 
  key_id = '6b63a533bf3c8246322e05a7a761a603b01058db91a387172e03639de2f16759' 
  AND (
    token = 'WmPYBw6dJUBTVdPA1XJXgvZrrcnLYFLnU+lTEgPYT2M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )