UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M3xRTjW1M7BEghDs3aNoznhI8DdXhLbaUddnJo9RN+Y=' 
WHERE 
  key_id = '944e09b769bdef7d434f964750913c7e38fb773ab19dab3a9f3e236d1a023a38' 
  AND (
    token = 'M3xRTjW1M7BEghDs3aNoznhI8DdXhLbaUddnJo9RN+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )