UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6gpcmhkO25s2i9Db0oJrsM8YYAaq3jCb4RbMW/uAMSY=' 
WHERE 
  key_id = '4379d4d81bf4ad6bb28c056137a260376c001aef4516f78e49559301c018e887' 
  AND (
    token = '6gpcmhkO25s2i9Db0oJrsM8YYAaq3jCb4RbMW/uAMSY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )