UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RCi99tUxccm221tSXtHKLnBmX5vT3ofL+vFPGjSko4E=' 
WHERE 
  key_id = '15304a0afddd8e01a6945f2501878bbdfb0adb71a94e5230d9adc4fe70da3f73' 
  AND (
    token = 'RCi99tUxccm221tSXtHKLnBmX5vT3ofL+vFPGjSko4E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )