UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ajbZ0/SM37qw7V7Wwt/QqgotUakmfwaVU1p1XzFRu/c=' 
WHERE 
  key_id = '81c9e8e4f6e9dcfd213f9fd0d16264295892e0ae10d590757fa58d3d57d27157' 
  AND (
    token = 'ajbZ0/SM37qw7V7Wwt/QqgotUakmfwaVU1p1XzFRu/c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )