UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LjD51U5L9tRXaHwPzjfz2VLJDSVbUY6lh/8QhI2Rems=' 
WHERE 
  key_id = 'b50c3365deeb490ab4dc3a478e4a1f537c7643967a03b3277d9886b017f039e2' 
  AND (
    token = 'LjD51U5L9tRXaHwPzjfz2VLJDSVbUY6lh/8QhI2Rems=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )