UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n2I/K0WqWny2n/LdH5/U8cSTpxNsnUAUQWEeGUEFGDE=' 
WHERE 
  key_id = '4c0beb81476923c2d11a0f0f96d1fb6e50ca49e37d1f6dff282c3a4ffa9e7e29' 
  AND (
    token = 'n2I/K0WqWny2n/LdH5/U8cSTpxNsnUAUQWEeGUEFGDE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )