UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AlMjGKzOt72mK6oGUEC6mtR8E0XzFXqAKqyoqFXUZtc=' 
WHERE 
  key_id = '51f64bed1e13d9ab0fdaa464672e8d853e3652096de1de3a163356a67407a605' 
  AND (
    token = 'AlMjGKzOt72mK6oGUEC6mtR8E0XzFXqAKqyoqFXUZtc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )