UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AmtWAJHJZXgAQlFu0Um3wmqS1XqUcKTKkZDYQWZqygA=' 
WHERE 
  key_id = '8ad09e59f3f614d3500e435a1f9fa450ae3322b3b1ddb1f5805426303ea28421' 
  AND (
    token = 'AmtWAJHJZXgAQlFu0Um3wmqS1XqUcKTKkZDYQWZqygA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )