UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '15u79B7IE8Tnt1ZkYOJ59MC4F1pzAwjzT0/pALUR+Ck=' 
WHERE 
  key_id = '891e5aa4737e96fbd349474aa9f7e0239d571c37ba3c347851970f848c227dd2' 
  AND (
    token = '15u79B7IE8Tnt1ZkYOJ59MC4F1pzAwjzT0/pALUR+Ck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )