UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q1LpBeE1TPj3zNBcarxtSvethfUE5GqxU6X3eef+uM4=' 
WHERE 
  key_id = 'b9cfe471ed33cc1de7465c21fb71077856291e79c8ed9c77c9989467f56de854' 
  AND (
    token = 'q1LpBeE1TPj3zNBcarxtSvethfUE5GqxU6X3eef+uM4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )