UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L31ZFyATiiabRp1Va5Dx6A/r9twtI9dOoUQ30LFFFr0=' 
WHERE 
  key_id = '6f0c8d1a3cfaa41f80bc38ceb6e75b32fef3abf35e8e4ee3a69f5c3c56951996' 
  AND (
    token = 'L31ZFyATiiabRp1Va5Dx6A/r9twtI9dOoUQ30LFFFr0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )