UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w7OjkLpBREc5D7FXO3da/phjJG6BUQSc91u0Ew4mv6Q=' 
WHERE 
  key_id = '6b6878ebbf3aa770b8b2087542aa6fb661ad175222a286720d196279a0c3a750' 
  AND (
    token = 'w7OjkLpBREc5D7FXO3da/phjJG6BUQSc91u0Ew4mv6Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )