UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cCE04T73a5KVf5NUBlCqvteAtyuFr2ExtC2TeVRtQ+8=' 
WHERE 
  key_id = '50a6d57eca5bc487501808871d36796a83fac82a2f6ef4090442e91933ba2bae' 
  AND (
    token = 'cCE04T73a5KVf5NUBlCqvteAtyuFr2ExtC2TeVRtQ+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )