UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n/CP+hZGRfDntVwpwiFKU6aoWAotwMggdTwHD75IPfg=' 
WHERE 
  key_id = '6e986b30647f74eee6118fa941e87dfedf9e77f47ef9f4c509c0b86ebb50c22e' 
  AND (
    token = 'n/CP+hZGRfDntVwpwiFKU6aoWAotwMggdTwHD75IPfg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )