UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ythIw7aGjPl7/k1aE2K5mzgg86yDuTjG8UUo/shDmhA=' 
WHERE 
  key_id = '7b19da36447a1478f51132da7db62ae01b575525a0455df2790826d86c82b3ee' 
  AND (
    token = 'ythIw7aGjPl7/k1aE2K5mzgg86yDuTjG8UUo/shDmhA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )