UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MeGMe0f/Kqwswy3d7aV8UUJnFmrjbcMq97mNH8cnEM4=' 
WHERE 
  key_id = 'a6f474c7f15f90ee911239e4e55f6de50dfef64dfa031a3e6c22b419d50aab40' 
  AND (
    token = 'MeGMe0f/Kqwswy3d7aV8UUJnFmrjbcMq97mNH8cnEM4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )