UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'unDI8Zvx56CyL64OWDn5F+S0ShksKISp1VxQa3WyJ3c=' 
WHERE 
  key_id = '2b453b42dd0d705d2e244a0a19e2892af97ab800b978993914f43c2d83f1b8b7' 
  AND (
    token = 'unDI8Zvx56CyL64OWDn5F+S0ShksKISp1VxQa3WyJ3c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )