UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uT3SKzDu551Ua0l03Fdx279oaJ2MVDbdBYSjKUkidaE=' 
WHERE 
  key_id = '2540ec573e602d812d4430ced58e8c443c99bdada4e64f0d57e4d41d6a2a0267' 
  AND (
    token = 'uT3SKzDu551Ua0l03Fdx279oaJ2MVDbdBYSjKUkidaE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )