UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BD173MXLJWWadlP75WrIo29bXg+UTPTZqJm1K5Xtk5k=' 
WHERE 
  key_id = '6dfbe882a78eeb97128e56a4115c672ffd3fd7a7553a2ef3929a18f4d738ab51' 
  AND (
    token = 'BD173MXLJWWadlP75WrIo29bXg+UTPTZqJm1K5Xtk5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )