UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uM8C3Lnpi83EeSFnQRucgoFFZGqUg6LuPSBxj66ynpc=' 
WHERE 
  key_id = '70d4b5d39f309efb2e55a2f34823cce806071551cf75962028701687ed89d26c' 
  AND (
    token = 'uM8C3Lnpi83EeSFnQRucgoFFZGqUg6LuPSBxj66ynpc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )