UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VlnXR2IrMzms+Uq5YxSzra4mXqK5e725ciFq+ckwW3Q=' 
WHERE 
  key_id = '520c53f58a1e0a68ad3d0f555f81a56deb7e40396648740836600dac75b6785b' 
  AND (
    token = 'VlnXR2IrMzms+Uq5YxSzra4mXqK5e725ciFq+ckwW3Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )