UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a4aM6Lx1a9V5rnNuWHCGwNYeN1v5CRfrr+1nP+Tce4I=' 
WHERE 
  key_id = '304f9dd66f3aae0045a94e6286c243ac3f0a99bacddf590cd12c37d2036fcef0' 
  AND (
    token = 'a4aM6Lx1a9V5rnNuWHCGwNYeN1v5CRfrr+1nP+Tce4I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )