UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PVxXEiAPKQZJ2C+8Gqn1ZTJ4R2cbicTNm0CJxMD7F+A=' 
WHERE 
  key_id = '19c1dfd42da6a23322e78fbc4c93a891390ed3bf7e483e0299418542fa2c6421' 
  AND (
    token = 'PVxXEiAPKQZJ2C+8Gqn1ZTJ4R2cbicTNm0CJxMD7F+A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )