UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+N2+zaRgj1tNlznr71dFc0gmwgV5xTzgKWNPjGQ7Ygc=' 
WHERE 
  key_id = '8f8483e07ee6d8bd82d57e7844fac71cb135a26ad10f24bffed475182150b75d' 
  AND (
    token = '+N2+zaRgj1tNlznr71dFc0gmwgV5xTzgKWNPjGQ7Ygc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )