UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'njov31fe7QpNia1ljuVuDxMgA9QHnWtBB5jQXRIR6GM=' 
WHERE 
  key_id = '940d40592a15e37e92cc10afd82e27797f58f126b1eb7a0aaf13d08619038f74' 
  AND (
    token = 'njov31fe7QpNia1ljuVuDxMgA9QHnWtBB5jQXRIR6GM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )