UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tPT2XXhqA391sRQ4NCvANrfb9EgcWMdXYRSH4mXLMSk=' 
WHERE 
  key_id = '7b768723567bf1797ff3b400792fde6aa0f1e2c2cc397cf7dc095605c0d877de' 
  AND (
    token = 'tPT2XXhqA391sRQ4NCvANrfb9EgcWMdXYRSH4mXLMSk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )