UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '20epq9bt5Jy3eiPFxxYhpMsaodZQFKQnwwcvN2UszNY=' 
WHERE 
  key_id = '15cc787e89fad0e4b660204559029db17e6f9beafd59a7a53776d6e638a7ea73' 
  AND (
    token = '20epq9bt5Jy3eiPFxxYhpMsaodZQFKQnwwcvN2UszNY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )