UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KHjx900WIBkw9iwXONcksH8kiedv2N06TVzYBys7qaM=' 
WHERE 
  key_id = '7f5b3a8b4b4925c861816a1c29b3d4b375e546a566eeb155352972afbac05993' 
  AND (
    token = 'KHjx900WIBkw9iwXONcksH8kiedv2N06TVzYBys7qaM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )