UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MceXPKRa8d4GKvgVmoAmUAzFcapth9jFdrEzmn3n0uI=' 
WHERE 
  key_id = '54444e2b9a1de2236bfdd4261b19af0fa260351065bef776817184676b623396' 
  AND (
    token = 'MceXPKRa8d4GKvgVmoAmUAzFcapth9jFdrEzmn3n0uI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )