UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a5UonIN7gLRlzOBJ5zZDPXNnnFEyDFuh3CKjtNaP2k0=' 
WHERE 
  key_id = '92b9e4e88441564a21c7189559a557d993c81cd581b3fa21964b00b96250e6b7' 
  AND (
    token = 'a5UonIN7gLRlzOBJ5zZDPXNnnFEyDFuh3CKjtNaP2k0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00041