UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H/CYin34iFZEQ4aRlJykiSHl8tt7oVrbUKEcDsf6QwQ=' 
WHERE 
  key_id = 'a6937c4a685bcb79dadbb6ba994996d100e1fb088ea65d6f80da7b3e0b005d3b' 
  AND (
    token = 'H/CYin34iFZEQ4aRlJykiSHl8tt7oVrbUKEcDsf6QwQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )