UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w6wSVjyiA9bzpUFYZiVmssugMv2qtRsaXZcV9C9JA4I=' 
WHERE 
  key_id = '20c2aba39f04edac08787145532ad23cac7ebd561ac7090667fe14c39d85586c' 
  AND (
    token = 'w6wSVjyiA9bzpUFYZiVmssugMv2qtRsaXZcV9C9JA4I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )