UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pEx8D6GhD2c6xO8uJH96cA803pHkzjYlSxC6eQwrN50=' 
WHERE 
  key_id = '6b3c39163d722aae4932e54086e6be09985c65fa43c206198bb2b0bdfd986ab6' 
  AND (
    token = 'pEx8D6GhD2c6xO8uJH96cA803pHkzjYlSxC6eQwrN50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )