UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MHyHw8jPHnBM2kPRz07ozBGOA+hbJHDYV1KxKNa6JzY=' 
WHERE 
  key_id = '6ce277808e5860b925f38334ebf38a9c208b942d2eeb0255f45a1d3466e81948' 
  AND (
    token = 'MHyHw8jPHnBM2kPRz07ozBGOA+hbJHDYV1KxKNa6JzY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )