UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZM+4wb48zstF2qVl6+br6tXKFyz/s/qDPCS+HUyHkOM=' 
WHERE 
  key_id = '6ed8c501ceb91858e8bc9a61e8dfa1437cda16e58a683e54c4de7fb0be16d08a' 
  AND (
    token = 'ZM+4wb48zstF2qVl6+br6tXKFyz/s/qDPCS+HUyHkOM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )