UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SLDyI2VNznO30UKkpxeKIl9QsbYWFzKlKA1J69TijFI=' 
WHERE 
  key_id = '55a7391b42e569749f446e744407e6b336a58ca0f01b5272cc83e65b0927a41e' 
  AND (
    token = 'SLDyI2VNznO30UKkpxeKIl9QsbYWFzKlKA1J69TijFI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )