UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xAHUMwaC0tKexLVTn/0uVwo5KUhjxXs0kN1PBvdnI64=' 
WHERE 
  key_id = '3a0827a96f887528d87347396465c196896623daca6a15be5de5f8d9c2ff70c3' 
  AND (
    token = 'xAHUMwaC0tKexLVTn/0uVwo5KUhjxXs0kN1PBvdnI64=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )