UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6ZcOYi8tXeGn++45Z9V2wncPNKtTgczUrwQXr5gNFHo=' 
WHERE 
  key_id = 'e76ff43344a14a2760253120f1be521727993d7e2b66b673df906cdce9a22485' 
  AND (
    token = '6ZcOYi8tXeGn++45Z9V2wncPNKtTgczUrwQXr5gNFHo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )