UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kkncn5S5wkSYeAFw26zzH5IanCMOSgHParCY6RLB6Ro=' 
WHERE 
  key_id = '21b7db4a73e1f2dfc3a4338b7c74bf5c646f961af940793eb179a96385995663' 
  AND (
    token = 'Kkncn5S5wkSYeAFw26zzH5IanCMOSgHParCY6RLB6Ro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )