UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UaF4TwfyH0XLSZD76AS8TWKMReo1NXUjGplZ2xZG5RE=' 
WHERE 
  key_id = '503463976cd96bfeee8b958f29cff1cb1a73cc76852f23ce2b0bdd93b531e3e8' 
  AND (
    token = 'UaF4TwfyH0XLSZD76AS8TWKMReo1NXUjGplZ2xZG5RE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )