UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rmh/FSYdWUpZUzm4q4u6kwxHueUdjh4zGEKFVIEW/ME=' 
WHERE 
  key_id = 'd4e535f84467b8a7a59eccc5b1585dab1a0285ac12acfaefaa2de4265e454316' 
  AND (
    token = 'Rmh/FSYdWUpZUzm4q4u6kwxHueUdjh4zGEKFVIEW/ME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )