UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iUYnk5aYPknIMTDRLWyua+i5E/3HPNT93R+cimmwfbU=' 
WHERE 
  key_id = 'f7a6796cfb33869dd37497d486bc25455435ef860c9f1228612e7126adcc8b10' 
  AND (
    token = 'iUYnk5aYPknIMTDRLWyua+i5E/3HPNT93R+cimmwfbU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )