UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u2Mgr/5QVgyiLIlJoKPTpCmLUyMHa2Dl3NFs3Xi1GYk=' 
WHERE 
  key_id = '90ed5a9613e4c0f308afa72a888e08268b248ca32deee2eafad27f14814581ea' 
  AND (
    token = 'u2Mgr/5QVgyiLIlJoKPTpCmLUyMHa2Dl3NFs3Xi1GYk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )