UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MKKSxlS3q7foCfH+Z+MTSkCxqEEB4VeUF9JESBL/hMY=' 
WHERE 
  key_id = '9c814425e0343523dc72447950f576cd59855d01fb21313433e949d3698b2954' 
  AND (
    token = 'MKKSxlS3q7foCfH+Z+MTSkCxqEEB4VeUF9JESBL/hMY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )