UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Et4q9F6bltZcYAkwifINxvVx+lgiD/IsNQ997KLKjbI=' 
WHERE 
  key_id = '6ab0021d68f0ffc540ddecb5b58e741a0de248a29dc1acbbc8a4d7b2cf5c0f31' 
  AND (
    token = 'Et4q9F6bltZcYAkwifINxvVx+lgiD/IsNQ997KLKjbI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )