UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xw5liWJhTM00ouf51bfQfdaWJeu1hA9CRl3PBkHCkHQ=' 
WHERE 
  key_id = '0a51dc58739c4be2b13057a516c19003a9aa4697fbfe172cd3c77880e9dcd6e2' 
  AND (
    token = 'xw5liWJhTM00ouf51bfQfdaWJeu1hA9CRl3PBkHCkHQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )