UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U+XNPbBCeVTFFMdGjpEeurdtaR5lu8fFa3Xr1Eu7QZk=' 
WHERE 
  key_id = 'b31b9e2c90fd22b228d4b47390a2d0cc7bea3b2557e6c4d66fd48c97b546b124' 
  AND (
    token = 'U+XNPbBCeVTFFMdGjpEeurdtaR5lu8fFa3Xr1Eu7QZk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )