UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pVTwJSmemFOJMhtNqTsqsiMkPA9bfTqjcUFT4Y/vSbk=' 
WHERE 
  key_id = 'a621d2027fa4a3e496716f7e81eeccec38831be0ccc33a2d346363a2a1667ef0' 
  AND (
    token = 'pVTwJSmemFOJMhtNqTsqsiMkPA9bfTqjcUFT4Y/vSbk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )