UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nZfOtqpnOigtI3zaoOmrF78fzXnnzYNjC2vC3utliuY=' 
WHERE 
  key_id = '2d9b9ec7170f62bc7a15b9f818913d287a42ea7c8573b267d914a5de09736a9f' 
  AND (
    token = 'nZfOtqpnOigtI3zaoOmrF78fzXnnzYNjC2vC3utliuY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )