UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hkQHW5nr7CsnfXp5nVQf3aZFh8t+pMUAVvRcQaSX+0k=' 
WHERE 
  key_id = '6e9ced63da04296c955d1d275b83a7a09f044d402b7f24f3008806be1cb4e591' 
  AND (
    token = 'hkQHW5nr7CsnfXp5nVQf3aZFh8t+pMUAVvRcQaSX+0k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )