UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w846DviXAVPfCkIHxsXHwunnkiiUIDbP7tVymdA0jMY=' 
WHERE 
  key_id = '31fa6887ad413b9a5ff3316424b2492e7723a87fba3c62e4650208bd2c87ad7c' 
  AND (
    token = 'w846DviXAVPfCkIHxsXHwunnkiiUIDbP7tVymdA0jMY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )