UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cuGr7xcESMVQwcJh4J2Tt3Uf7Aw/IcLyzVJKbeXksr8=' 
WHERE 
  key_id = '50d3d92f917d84fa9e09ad39a08677ab97d3804a9e7de894e8471cca29c6e2b0' 
  AND (
    token = 'cuGr7xcESMVQwcJh4J2Tt3Uf7Aw/IcLyzVJKbeXksr8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )