UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n4KZ1PGzPdINNfXzHSESlr3G3KW4C/xL2rz7/6vwrFY=' 
WHERE 
  key_id = '291b12b69d44aadcb98bba6b30dc567e0064ce9eea757db8131c8ece81fb7cea' 
  AND (
    token = 'n4KZ1PGzPdINNfXzHSESlr3G3KW4C/xL2rz7/6vwrFY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )