UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nUvIRLakSjSNb0qqKSzOuNSQ/hkwaYG74QNoGO1qd7E=' 
WHERE 
  key_id = 'c4f6d31edad891a99fe02f22d53e1fa5fc23f61985d4b83799ac5d8b8116de45' 
  AND (
    token = 'nUvIRLakSjSNb0qqKSzOuNSQ/hkwaYG74QNoGO1qd7E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )