UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B6Be/SlMYyJCjouWNptL0RuTgXVNEGzTAwSCHlRWoPg=' 
WHERE 
  key_id = 'c031561b1b48abe7bbffe6e968026e259d180cde341375001102d29743ab5c0d' 
  AND (
    token = 'B6Be/SlMYyJCjouWNptL0RuTgXVNEGzTAwSCHlRWoPg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )