UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xe5vuUCUbNQ5TEsx/U8i9MGedtQe1qPhFLDO9CkC/ss=' 
WHERE 
  key_id = '67b49a4be2203323c027c5fb386791165d0899257cb40b96de93776c66d1faee' 
  AND (
    token = 'Xe5vuUCUbNQ5TEsx/U8i9MGedtQe1qPhFLDO9CkC/ss=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )