UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's9uvFCWPpu500jY0m/cjUyW9K9q9BWmf1GSgbAVyEdc=' 
WHERE 
  key_id = '7b755509e0f23974a6325b69bebda124a7b8d4ec2008a8f1dc9e323d9feeaf1d' 
  AND (
    token = 's9uvFCWPpu500jY0m/cjUyW9K9q9BWmf1GSgbAVyEdc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )