UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TDf+zPgkXac2a2HMvNt7y/CXNrvcpNi+Jl/0azKFjDc=' 
WHERE 
  key_id = 'a40e5d7df5cc42b6922685391079df69f128aed75f0241aad8e0d036e2976de4' 
  AND (
    token = 'TDf+zPgkXac2a2HMvNt7y/CXNrvcpNi+Jl/0azKFjDc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )