UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y5t95GmMayR8UoiYE4FjbUrKgKshQZxW3vUOnr2W9/g=' 
WHERE 
  key_id = '81214f22ca7571f3509010649bd61903157603e045bbc1601c6a8de015f85392' 
  AND (
    token = 'y5t95GmMayR8UoiYE4FjbUrKgKshQZxW3vUOnr2W9/g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )