UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GRWhj6Vb368O2WdfEJ7w4oH00ot3QpUIyIUp01FxfCQ=' 
WHERE 
  key_id = '8a2821c4f88c321d2f67598c07b497fda57595929f2573b790062fde73e5d2b1' 
  AND (
    token = 'GRWhj6Vb368O2WdfEJ7w4oH00ot3QpUIyIUp01FxfCQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )