UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4zZ/m4hE+K0FHLV78ry63U5tFiwmTkMM6v5ISq36khQ=' 
WHERE 
  key_id = '6c20d409b5403f556dfc5229e541b6c61feb759dda990502854c451217f36b27' 
  AND (
    token = '4zZ/m4hE+K0FHLV78ry63U5tFiwmTkMM6v5ISq36khQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )