UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S0ZztWliMwqcKGgWQfON0PH8tqH0MZbrdRNAAwCPa+E=' 
WHERE 
  key_id = '51a348c2efc944a2984425a82ab5d970dd28689642dfdb24f0fddcbe87da26f1' 
  AND (
    token = 'S0ZztWliMwqcKGgWQfON0PH8tqH0MZbrdRNAAwCPa+E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )