UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qbjGwUVhUfN4fxFkfSytgFVLuzj6rB9fMrHVou9+KIE=' 
WHERE 
  key_id = 'a6c92b690e31257ee733151979ce3ffbfda4789194c18513e0f052e30dd4bc31' 
  AND (
    token = 'qbjGwUVhUfN4fxFkfSytgFVLuzj6rB9fMrHVou9+KIE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )