UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pn8hpMp5QybrCFW4D+2I0TZspR9R7bnCVJAcJKobFiw=' 
WHERE 
  key_id = 'fcdb503a3ce3a28bcd6329ff734e1c74ada33012358f95a2b051c29531857364' 
  AND (
    token = 'Pn8hpMp5QybrCFW4D+2I0TZspR9R7bnCVJAcJKobFiw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )