UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4hTI4QRD+bkApdeEmg0hQDwdPAtPK21Vg5kVz2CFHU8=' 
WHERE 
  key_id = 'e8898484cd6616bfea776109011edd923d4284b7f11a79fee12d8d1d245b9d82' 
  AND (
    token = '4hTI4QRD+bkApdeEmg0hQDwdPAtPK21Vg5kVz2CFHU8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )