UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yDcTGE75pN9AKONGs02hAVtdF5SpnS4mwr7c+hFW6IM=' 
WHERE 
  key_id = '20bdc4329727c6c883fe619da83b6041737bfc8656cc5550ce4032532e7cf640' 
  AND (
    token = 'yDcTGE75pN9AKONGs02hAVtdF5SpnS4mwr7c+hFW6IM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )