UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rGkXmz+kA8Nd5W0xLEDXahNCVix61J9LgPSfUxrs2UY=' 
WHERE 
  key_id = 'c952fed21e2a4b9654c9300419de6b6df54170387ecdceabf0a6f518e26e2143' 
  AND (
    token = 'rGkXmz+kA8Nd5W0xLEDXahNCVix61J9LgPSfUxrs2UY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )