UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2LPtNBcfFhpbdsZH9kfpWxpu+qJJKE1xESATEqdvEEQ=' 
WHERE 
  key_id = '8c5b37eb142bc2906d16a7045be75572259c9fbfc9bf13cefd0442d558260422' 
  AND (
    token = '2LPtNBcfFhpbdsZH9kfpWxpu+qJJKE1xESATEqdvEEQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )