UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jAZ9kwJvL6DEhNgfcevQQCgXcQ+FyHvNMWO2rKuPSDc=' 
WHERE 
  key_id = '9a75256c28916d19adbb4d5594cb0b51b2a4c11cf427cb1ff45b9c11415876b1' 
  AND (
    token = 'jAZ9kwJvL6DEhNgfcevQQCgXcQ+FyHvNMWO2rKuPSDc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )