UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WawtcjJwln8U3kg/q/LB6sIryLWK4ml/jYnu2fUL/Tc=' 
WHERE 
  key_id = '5151ff8ebcfb17b09b89301f92583fab5e6eb5ebe4398503500a8338b3f3e084' 
  AND (
    token = 'WawtcjJwln8U3kg/q/LB6sIryLWK4ml/jYnu2fUL/Tc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )