UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mob5ntN9wLNO4cZBlf73ithVBpQnVnmkL4XiaHbDYHA=' 
WHERE 
  key_id = '76c64d3636b2543f006a1f0c43d101ab049d3a6fb953b890e279b2e6f71a7fed' 
  AND (
    token = 'Mob5ntN9wLNO4cZBlf73ithVBpQnVnmkL4XiaHbDYHA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )