UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EXg0vYvGqwd6vI3vpGl0oyB1cZTblIpkdSQEeDD54RA=' 
WHERE 
  key_id = '8ad52479c56dee3d314e2f4e494892045f515e60e6d0215827fc66b206bf11eb' 
  AND (
    token = 'EXg0vYvGqwd6vI3vpGl0oyB1cZTblIpkdSQEeDD54RA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )