UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mr8zRzfhi8glc30MVzinKdUQ/XrvkkPggsiyXPmLKJ4=' 
WHERE 
  key_id = '21565e13675e1acf5e29bb25c037e5ae2f034a29912c32344703d4febde6b334' 
  AND (
    token = 'mr8zRzfhi8glc30MVzinKdUQ/XrvkkPggsiyXPmLKJ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )