UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UV5G4aB5YdVX6aua8sNYq34s5yrWGtFu3cBScsOXtFc=' 
WHERE 
  key_id = '540f545e271e1991f55df6b5ffe04f2a803d380b607a6e4ea784b1d7a4379771' 
  AND (
    token = 'UV5G4aB5YdVX6aua8sNYq34s5yrWGtFu3cBScsOXtFc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )