UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4g6xM26JEdRh9TxgSHKkYN7ihOeUBbk3J+nSbPlPEpY=' 
WHERE 
  key_id = 'a4c6b735709c1d23f86037fd85bea03eb811fa14d7e0990359b088742dd8e8df' 
  AND (
    token = '4g6xM26JEdRh9TxgSHKkYN7ihOeUBbk3J+nSbPlPEpY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )