UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pzTRgGILRI3mOOjLYQ2D2oXWCpe9AB3dXAaVqntEeOU=' 
WHERE 
  key_id = '4b0fe3d439451d90dc2596980c920cae7e4076db86e8722666980f945801e58c' 
  AND (
    token = 'pzTRgGILRI3mOOjLYQ2D2oXWCpe9AB3dXAaVqntEeOU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )