UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gthwjw3+acg67NScUBMf11hIZ7V9kUhPpWYp30/iv+M=' 
WHERE 
  key_id = '27568b556cbe52b5da8991ee4ddeceb74bad0b6f69bf13c6e42e2df914adac2a' 
  AND (
    token = 'gthwjw3+acg67NScUBMf11hIZ7V9kUhPpWYp30/iv+M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )