UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nt/y7v2a4Q52DAuJx9bv2HYSCuVDuw286KtNu2V0ZlI=' 
WHERE 
  key_id = '45a0fb1fa90869e44ec326af8357763f3121680f07058776f1314b1147cfe716' 
  AND (
    token = 'Nt/y7v2a4Q52DAuJx9bv2HYSCuVDuw286KtNu2V0ZlI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )