UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cn9/gXjwRfGSaBDfE7St/XgjvpJbamqtKZopAS1eU9w=' 
WHERE 
  key_id = '8e03d97545810d3255a09be602a56062072e1745d183cf2bd2a28986554cdf6f' 
  AND (
    token = 'Cn9/gXjwRfGSaBDfE7St/XgjvpJbamqtKZopAS1eU9w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )