UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2TnAdxYqqKUl/2/4adgX3BeWRNuELi0jDxZcw2/BN68=' 
WHERE 
  key_id = 'b8cbccc567bdd155a0a7391bd94a3c83fe243a974997b2d1d6420b391b6e75a5' 
  AND (
    token = '2TnAdxYqqKUl/2/4adgX3BeWRNuELi0jDxZcw2/BN68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )