UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6xzItNPHDEYIuR2ftDYjMRnjotu/4FXM4rDKCjKPToA=' 
WHERE 
  key_id = '640f9b3df92604e5f84bae54c666e6dc3f1bc14a14144cbaff7de7f6087bc0c4' 
  AND (
    token = '6xzItNPHDEYIuR2ftDYjMRnjotu/4FXM4rDKCjKPToA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )