UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dyk7l81A2d4MYIOT20yG093DDbH+sDddrMHsJzjohtE=' 
WHERE 
  key_id = 'b4500e888e2fe3364a19ac90bc202060e3301092365d8b6a403014e7983970b5' 
  AND (
    token = 'dyk7l81A2d4MYIOT20yG093DDbH+sDddrMHsJzjohtE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )