UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PW5MV0PtRRHg7XUToyrf17pG86uQ9OvCY380JJNxouw=' 
WHERE 
  key_id = '68648dac99e5d13532d625786a77473fc4bc40c43e8a68f923b3fdf2694d7229' 
  AND (
    token = 'PW5MV0PtRRHg7XUToyrf17pG86uQ9OvCY380JJNxouw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )