UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kx6OEqhy6I7Q0/WSHBO0XQMJFTbpRBWQuOXI5/vLgX0=' 
WHERE 
  key_id = '3aa87d12d4fcf1d554ea8103e8ecfdba98b4e41ee7e55d33f06eb25da40f7302' 
  AND (
    token = 'Kx6OEqhy6I7Q0/WSHBO0XQMJFTbpRBWQuOXI5/vLgX0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )