UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'znRCoXEByLE66NI2DNWimqPRIFXnBwaC2ZnbP1UHN2E=' 
WHERE 
  key_id = '476bd3cd9c9eda9055de492bad5ffba3cb9cd0d04ba9a76bec8fd83cec900810' 
  AND (
    token = 'znRCoXEByLE66NI2DNWimqPRIFXnBwaC2ZnbP1UHN2E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )