UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jnsPBbD6KsfibB94HiJHQ71oEie8o5rbbtVyaXuatJA=' 
WHERE 
  key_id = '756509eef841867799a1ff8c8ff7e06c8fb3dc302750c5a519346a6fa8120ecc' 
  AND (
    token = 'jnsPBbD6KsfibB94HiJHQ71oEie8o5rbbtVyaXuatJA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )