UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FfdQLFXbOnBLLKl35KUKneVYx0Q6u0fi3DzU7Lk8uEU=' 
WHERE 
  key_id = '51f882a09e397694acbe2e5ef9765b21257fe65c03b6568d0cafd9ba0602e526' 
  AND (
    token = 'FfdQLFXbOnBLLKl35KUKneVYx0Q6u0fi3DzU7Lk8uEU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )