UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7kivu2+Ha+AC6KNik9C67G4QW41kLXPJO3cWRBoQSDY=' 
WHERE 
  key_id = '68e16eb50fbf24e39e9d60cd0a6bf59bb218808d10a2be5f2c2982737a718668' 
  AND (
    token = '7kivu2+Ha+AC6KNik9C67G4QW41kLXPJO3cWRBoQSDY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )