UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UWrPtNIzr0JP7oaxNaIdlmQKvGqy1tIbyEizX0WutOQ=' 
WHERE 
  key_id = 'b31e1760c3ea04c97250b9721f71ea79020d2977a8e1cf5f82dba3c920ca9586' 
  AND (
    token = 'UWrPtNIzr0JP7oaxNaIdlmQKvGqy1tIbyEizX0WutOQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )