UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '26v/St4jKnBj28dYTLpxEQ6Rk5R/fYUZ9xhZlf8akkk=' 
WHERE 
  key_id = '813ffdc6bb84ef1f9faad82b826a9d53e41833290b604a5338adaa54c9db0509' 
  AND (
    token = '26v/St4jKnBj28dYTLpxEQ6Rk5R/fYUZ9xhZlf8akkk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )