UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k6CjwR+VWuSTn3YUAx5wFlcCOoR4dhS6bcYtJGQORw4=' 
WHERE 
  key_id = '16f1894657d2a5cfc16336a07f937232446d31112db1dd1c0eb90e8fe9686067' 
  AND (
    token = 'k6CjwR+VWuSTn3YUAx5wFlcCOoR4dhS6bcYtJGQORw4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )