UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'akcx0oAPRBJEfsqPiLFlWCmgZp1psGfUmtajRriIH50=' 
WHERE 
  key_id = '8a9649639c020d84f5eb23c61f0f91b9b998ccf952753b8416c4d2828e3f1373' 
  AND (
    token = 'akcx0oAPRBJEfsqPiLFlWCmgZp1psGfUmtajRriIH50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )