UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nMk/2ipL4rkB40yYJYOvnrSFSWA3TcmSnjy0/2C22wQ=' 
WHERE 
  key_id = '7e757ed55d9618d019dea10128db9d85c10e124c506e825221a8b3f7fd5fe44b' 
  AND (
    token = 'nMk/2ipL4rkB40yYJYOvnrSFSWA3TcmSnjy0/2C22wQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )