UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XMpUIgWkC7Hi59B7eUsBysaZAlG1XvuZNa6IEMx3Qs8=' 
WHERE 
  key_id = '176439a14c6f2f8ee7931a886084cfddda725f37c7acb593e682395a36e4baa0' 
  AND (
    token = 'XMpUIgWkC7Hi59B7eUsBysaZAlG1XvuZNa6IEMx3Qs8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028