UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pUiZnfsqoZbhnk/TzYWK/RNE5ZhfAyx+p9swErgH3LQ=' 
WHERE 
  key_id = '284b3a76ce562a49ad211f60e7b736035a7084ac464037e94267c578715413d2' 
  AND (
    token = 'pUiZnfsqoZbhnk/TzYWK/RNE5ZhfAyx+p9swErgH3LQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )