UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qj4IHs407Pofu2df99vlv/tTz0bNEho2Zo6Z2lHhojw=' 
WHERE 
  key_id = '8340c16d6d1860fefd4e6c7a5dbd4fa59cdcacdb7a8643695024233345f01c2b' 
  AND (
    token = 'qj4IHs407Pofu2df99vlv/tTz0bNEho2Zo6Z2lHhojw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )