UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u7Ugm9zdIssVAaz9OyjZ1cEsA1pH0OePTcd55YU5/UE=' 
WHERE 
  key_id = '34ac9dee9cbf2c1dc9bc1805a270659d2714d8fac2e715b938482547f8c8b48e' 
  AND (
    token = 'u7Ugm9zdIssVAaz9OyjZ1cEsA1pH0OePTcd55YU5/UE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )