UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MkqQUZTR0zBpFoPYDQgVye4GGTS8TSt273JkYcXkpxc=' 
WHERE 
  key_id = '988b64bb9c89e927fce7627791a6fbd7f844d46144045f2939164fab87f51dd8' 
  AND (
    token = 'MkqQUZTR0zBpFoPYDQgVye4GGTS8TSt273JkYcXkpxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )