UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CxXp5RoUwjOJLkgPw0Kst7NzQOhhsupx8rPxnsNaYFk=' 
WHERE 
  key_id = '557a398381d84919f7b3032b4e18ddef8d4d89909feeca788bc03389991d1604' 
  AND (
    token = 'CxXp5RoUwjOJLkgPw0Kst7NzQOhhsupx8rPxnsNaYFk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )