UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VNvA9UOiwE4ojgiBt/5GdKPPvtuZ4dIo8tcs4anE6AY=' 
WHERE 
  key_id = '7972b8c6961eb9c8cf1987fcc218f84d683d24948b3b7c367711595e5edeb884' 
  AND (
    token = 'VNvA9UOiwE4ojgiBt/5GdKPPvtuZ4dIo8tcs4anE6AY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )