UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SLrs2EhA3fiJqyMzJN04fYVkHdPjoXab88hZNLpEldY=' 
WHERE 
  key_id = '277962b65ddba93151b008ca29097a1f1ea69241947c5d32b060cba07e0d73fd' 
  AND (
    token = 'SLrs2EhA3fiJqyMzJN04fYVkHdPjoXab88hZNLpEldY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )