UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aPxFNNhwmBdK6MjKeZJCz/7s1MxYNKzVC5OMv6QEWt0=' 
WHERE 
  key_id = '504a8f1c8b43917399c71d3d94b84a797e60599957d9d78ecea2ec62ef91ca6a' 
  AND (
    token = 'aPxFNNhwmBdK6MjKeZJCz/7s1MxYNKzVC5OMv6QEWt0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )