UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U+ep+fGnDT2CAWU9TO+lBNsSFJ2GyVVqc0vBVDXGL7k=' 
WHERE 
  key_id = '84f4995f66142a5824502d5ca3513f4150ef54ab4a5f7bbdb31e2d70440de94b' 
  AND (
    token = 'U+ep+fGnDT2CAWU9TO+lBNsSFJ2GyVVqc0vBVDXGL7k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )