UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zrbTwB3dZqCphei37fU92fQHYP122P1iUoL/hnGpPIM=' 
WHERE 
  key_id = '749e609172a750436f72023b387e410bfb56ed2aef58fb7b47719c5cbdd1de8e' 
  AND (
    token = 'zrbTwB3dZqCphei37fU92fQHYP122P1iUoL/hnGpPIM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )