UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LKre8mT7TcpwgeYhdgU6V/tSB1U8HIeDIFFlekyFVOE=' 
WHERE 
  key_id = 'e975f85732348187b0e4dfc16513518c1a5043a834af7c22d05030859c9dab46' 
  AND (
    token = 'LKre8mT7TcpwgeYhdgU6V/tSB1U8HIeDIFFlekyFVOE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )