UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm5hBxIlaiZj+ckOxbuAUx9MyzeZucD4S+QRR8/exzjA=' 
WHERE 
  key_id = '4ad7860e47fd69013cd6bf89bd49bc4380579b988de6ee2d9aac06d0ad9df402' 
  AND (
    token = 'm5hBxIlaiZj+ckOxbuAUx9MyzeZucD4S+QRR8/exzjA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )