UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZpqRDqwVJ+JrYDr6gGhPMYakrgiMgMwdUhOatChVfkY=' 
WHERE 
  key_id = 'a2c420a15ad803b556a6ccac42d83f0fe4661befa5c7a8202d9f6373575fca4f' 
  AND (
    token = 'ZpqRDqwVJ+JrYDr6gGhPMYakrgiMgMwdUhOatChVfkY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )