UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wm6ev1iDqe663aJIuAa3VPTAZSfJXJylCAzTTxTXygw=' 
WHERE 
  key_id = '836e6559793374e9c240301b2a6262a95ac0c55f288dd2c791a900813a01fbc9' 
  AND (
    token = 'wm6ev1iDqe663aJIuAa3VPTAZSfJXJylCAzTTxTXygw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )