UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iwiMSXNeF6Rui4IVaUjckan+b3yhppVkTPTN8gJs2pg=' 
WHERE 
  key_id = '21791c12e789002ddfde186bd1332f514286e8adc0b1b14b837c5e1e8181d2ed' 
  AND (
    token = 'iwiMSXNeF6Rui4IVaUjckan+b3yhppVkTPTN8gJs2pg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )