UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4pmWQG6K9krZ1Q8kGcEfMhISzMuj2co2BcdxOkZr32E=' 
WHERE 
  key_id = '251da444f264042f0f5149d66984cfc1108db637b932c5e8f0d177e6df2300a4' 
  AND (
    token = '4pmWQG6K9krZ1Q8kGcEfMhISzMuj2co2BcdxOkZr32E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )