UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'njHwp2E/96p0QJVVQbl1Re0Md7TAqIgZAkjf6diw6l8=' 
WHERE 
  key_id = '6b530a15b7e8640acc9d6276e06c5ba90bd3ff7080310bea905cbd325568a542' 
  AND (
    token = 'njHwp2E/96p0QJVVQbl1Re0Md7TAqIgZAkjf6diw6l8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )