UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fiu0Qk2iDAmFyq0qekaVpp9a/4mih4tiay1uUoDy1ks=' 
WHERE 
  key_id = '9b8490cea3ac94a09cd9da05a9d9181edbf309bc04c8032681da4acb939d8d84' 
  AND (
    token = 'fiu0Qk2iDAmFyq0qekaVpp9a/4mih4tiay1uUoDy1ks=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )