UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KZMmUa9ksLceaa4oxAjAa7tkkRCbvTZvMEfycWqpIKQ=' 
WHERE 
  key_id = '94eb5f906284ece3414eb5861a614b89b3d2eba0d786b721febee83de2e36d76' 
  AND (
    token = 'KZMmUa9ksLceaa4oxAjAa7tkkRCbvTZvMEfycWqpIKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )