UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R0ORG6/jAhUUHBbQmp2mAWEGlsvvoPnLyHd/AvoevRM=' 
WHERE 
  key_id = 'e51879bdf1d65341153e1a7fe32a1e785d7e73740107342b9ebedaed631df816' 
  AND (
    token = 'R0ORG6/jAhUUHBbQmp2mAWEGlsvvoPnLyHd/AvoevRM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )