UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U4iB6Vmw8K6KEpMoy4jB7El13i0oqNzJaa4wjoJk5iA=' 
WHERE 
  key_id = 'f8ab8098baad2217f0852d5f54f1e7a9639e65dffeded64a3c404e1b66680852' 
  AND (
    token = 'U4iB6Vmw8K6KEpMoy4jB7El13i0oqNzJaa4wjoJk5iA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )