UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7P7J5LIO4hobVLg9noJuUgEIRb5DxKbgEP9mnlWBN1A=' 
WHERE 
  key_id = '3e918dec7c9a4082a9df496293e8a376d2a4050f371456bfd164ba7c6886e2e9' 
  AND (
    token = '7P7J5LIO4hobVLg9noJuUgEIRb5DxKbgEP9mnlWBN1A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )