UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rk0jT+33yi6v9XR7ncOG9Qro/dnqI2NOEGRrBRf2Wek=' 
WHERE 
  key_id = '38f77e34d558b15eb7fc2c107657338ed1ce043b1c21fde0a97cac8d81324973' 
  AND (
    token = 'Rk0jT+33yi6v9XR7ncOG9Qro/dnqI2NOEGRrBRf2Wek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )