UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zFzey9hABVNfdz7lDgxqbA1HDcbAKOicQQPGiGcYJ1A=' 
WHERE 
  key_id = '539efda01e62fb3c3a333447f16f649005aeefe94e663e41822de5e057d1b2bf' 
  AND (
    token = 'zFzey9hABVNfdz7lDgxqbA1HDcbAKOicQQPGiGcYJ1A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )