UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mre8oqgyXC4YAWXaywz/nTWePRzAz1mErz5WCjdCpd0=' 
WHERE 
  key_id = '8b68d54a3c09d22b84809819696dd4c772364084f4419ce5945ca0d7e6b0b595' 
  AND (
    token = 'Mre8oqgyXC4YAWXaywz/nTWePRzAz1mErz5WCjdCpd0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )