UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e6Pwm7yhi6wbDBW7g2c/gorl9v+gzALCkxUG/GEfaso=' 
WHERE 
  key_id = '9175b4a3f9b577b794bedbad6c249689633c1548c79967c35cd6fceb0f81e9fe' 
  AND (
    token = 'e6Pwm7yhi6wbDBW7g2c/gorl9v+gzALCkxUG/GEfaso=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )