UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xUvAPkS6Fm+Yo0CxbMw2K0emIEFZEqPEvS3fM8swL/A=' 
WHERE 
  key_id = '6bcc91bd7e4d13a58d4806681e03ab230e179772e9d57f9ef922ce95e6355512' 
  AND (
    token = 'xUvAPkS6Fm+Yo0CxbMw2K0emIEFZEqPEvS3fM8swL/A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )