UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G477PPjDzuOmGubXWAwez15z1B0fj5KjbTl8a0TTo3M=' 
WHERE 
  key_id = '91546ed81fbc865867bb8a2a54b1cbaa0b1a2dd5bcea9d83482ca31604e84737' 
  AND (
    token = 'G477PPjDzuOmGubXWAwez15z1B0fj5KjbTl8a0TTo3M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )