UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N4FwaFm+HVfvPXwisyWDdYZhW8UMBThfgf3D3ZdSGU8=' 
WHERE 
  key_id = 'f294c269911480364289a4ae93041d937345302d162e634d846d9241413c81b2' 
  AND (
    token = 'N4FwaFm+HVfvPXwisyWDdYZhW8UMBThfgf3D3ZdSGU8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020