UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'optjnTgYMEKI2a5UXP6TsCnwhDS55lZnVuPR7FwF59o=' 
WHERE 
  key_id = '50a2ebdb5d2dcb859dbd3c9e74a68626981332ac3147545c46422c766832d978' 
  AND (
    token = 'optjnTgYMEKI2a5UXP6TsCnwhDS55lZnVuPR7FwF59o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )