UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RvyKbaUp+cbRq3TMknVLVxB2oggvS0vSSzKeZmytcdk=' 
WHERE 
  key_id = '5ce6fabd638dba08864e48326e3ebb6042124bc816c088603695871d8be43a82' 
  AND (
    token = 'RvyKbaUp+cbRq3TMknVLVxB2oggvS0vSSzKeZmytcdk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )