UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd/5OSEBBbpCrm7VQkxlJqtyc2AZvMWsEHzBszCKAg1Q=' 
WHERE 
  key_id = '3ea578b7747416adc9a0c9d1d57268b7cb6f30c67bbbd1f57a0b819f0ea75b67' 
  AND (
    token = 'd/5OSEBBbpCrm7VQkxlJqtyc2AZvMWsEHzBszCKAg1Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033