UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MU6l7I0lKRFrW8x4T1HJtmq4tTUYGuWQTziIVToXL4Q=' 
WHERE 
  key_id = '3cd2ad979be324ccaa00e3f7107c64597fb8c91cc8d8502c7cecfcf263365464' 
  AND (
    token = 'MU6l7I0lKRFrW8x4T1HJtmq4tTUYGuWQTziIVToXL4Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )