UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KrNoC2X2OjV7X9mKierkmY7KeIPlirzS7dEobg8//cE=' 
WHERE 
  key_id = '497c1fc79b9504124dd53efd681f5421da283c52aa53d93976916b810b438307' 
  AND (
    token = 'KrNoC2X2OjV7X9mKierkmY7KeIPlirzS7dEobg8//cE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )