UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MxNw84MPRdu3cRsvH1bZdwq6jWWWf+IdzZfHDnVBUus=' 
WHERE 
  key_id = '7f6b36bb799ca707c361dfcc53304364065d215f323e3c586791bdb11af0370a' 
  AND (
    token = 'MxNw84MPRdu3cRsvH1bZdwq6jWWWf+IdzZfHDnVBUus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )