UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+4lROfoY9FojllFqr09ONgxTPlXZ839sJ4yK2jNli94=' 
WHERE 
  key_id = '3e954795e567e199c6cfbee461d9a451683da8d73bb9d17c5704963b884ec14d' 
  AND (
    token = '+4lROfoY9FojllFqr09ONgxTPlXZ839sJ4yK2jNli94=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )