UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Jg/8dj7yYbD2ulx6iw6d/7jz+zdqjGshLUE9Lmw9ujE=' 
WHERE 
  key_id = '1eb515636a47af4fe607419414c576e268e791b5ca38bc0a8a81afad494c973f' 
  AND (
    token = 'Jg/8dj7yYbD2ulx6iw6d/7jz+zdqjGshLUE9Lmw9ujE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )