UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4PUcz+yjwdTnt1WyEPSVmQPRXRqmae2gTN/zqjJ02w4=' 
WHERE 
  key_id = 'b4a6524936ad76fd285687da7a6e0b7e5e218eb827b32d1de4f75e37e18e7580' 
  AND (
    token = '4PUcz+yjwdTnt1WyEPSVmQPRXRqmae2gTN/zqjJ02w4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )