UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jxHLvS4LNgi1SBLfblMn2rU3PYMy4VivPW3rXx/qw+w=' 
WHERE 
  key_id = '323e464926c95092c01215dde256eb64cd75c768fa33fc79852a039ac48bb0a8' 
  AND (
    token = 'jxHLvS4LNgi1SBLfblMn2rU3PYMy4VivPW3rXx/qw+w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )