UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cMCBORUrjrZo0ZcqQLb8boMAirCAFPWByKiur9ab2EE=' 
WHERE 
  key_id = '6a760bdc700f824d77b4a2c4ad5b5d8da5f1000c674addf70e86bd19236606d7' 
  AND (
    token = 'cMCBORUrjrZo0ZcqQLb8boMAirCAFPWByKiur9ab2EE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )