UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c2W1f12fnHxrpje4R5/u1I8z972hj23xdhxsQhpyP40=' 
WHERE 
  key_id = 'c4951309b1acf74efc7db6d022be4d3187499c6dae1c331e5ce36833b9713d8f' 
  AND (
    token = 'c2W1f12fnHxrpje4R5/u1I8z972hj23xdhxsQhpyP40=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )