UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n+cuRvHWYsaX2cneXXOxcSxY4GZ8CBgLI8oD5zskzIk=' 
WHERE 
  key_id = 'a23ef10c640491f44af2f313cda4d111959c59cf2d9ec12816e9bbccb12b3800' 
  AND (
    token = 'n+cuRvHWYsaX2cneXXOxcSxY4GZ8CBgLI8oD5zskzIk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )