UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cw0nOMVmSERd0pykZgrmA3bpqXfP7h+nCG40L43I08c=' 
WHERE 
  key_id = '83a1422e769096a2a93ddbb557cd39ab3939493ffda6043aa4917a5f0804654d' 
  AND (
    token = 'Cw0nOMVmSERd0pykZgrmA3bpqXfP7h+nCG40L43I08c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )