UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x/KcMx7l+u4quqEaGKg3ZQbkP2Puto+Jlxf4BgQUtIw=' 
WHERE 
  key_id = '15c9d10eb31d97ce36432a8045eb1699966b074d892ba5d031f27d69d2a59de3' 
  AND (
    token = 'x/KcMx7l+u4quqEaGKg3ZQbkP2Puto+Jlxf4BgQUtIw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )