UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'XTQ/R4uC9OveRznZPsGnycrg4qUGZ+KxY6Zp2Un2D+I=' 
WHERE 
  key_id = '26f1aa914c649bb17105efe77992fd3ee9ad194dbe1033ee4d939458b38c56bb' 
  AND (
    token = 'XTQ/R4uC9OveRznZPsGnycrg4qUGZ+KxY6Zp2Un2D+I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )