UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qKn6gJcDMPRabN6az1B9Sa8H1DieVSAstWGl3pKIuNc=' 
WHERE 
  key_id = 'b3199c1a4f67ae86b478b693e838f9c4f1c56c61448a3509af8d179b2cb41bb2' 
  AND (
    token = 'qKn6gJcDMPRabN6az1B9Sa8H1DieVSAstWGl3pKIuNc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )