UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'buuxGIUBF3x1F6Es4VrSnCoESKOpxB575QgjhrK1DFU=' 
WHERE 
  key_id = '6a0af15b8a2017f063deb9ae28d34127529e3a8fcb50e5d66330b07541d541b6' 
  AND (
    token = 'buuxGIUBF3x1F6Es4VrSnCoESKOpxB575QgjhrK1DFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )