UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c597e7raZBxN3Ob5VrOsaBJZQq6dH8UC6u67cpqpEro=' 
WHERE 
  key_id = 'a7d94cf11945fed98b171bc503996f520443ffb1ecaabb5c15e9434978b711d4' 
  AND (
    token = 'c597e7raZBxN3Ob5VrOsaBJZQq6dH8UC6u67cpqpEro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )