UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c15SQIT8KM7hp40793/EUrY6ctwbyv+xRNiPtuFgWus=' 
WHERE 
  key_id = '975174ddbdc131c4efccccaa81de0883fef75d4dc46b1894177f4258d47318b1' 
  AND (
    token = 'c15SQIT8KM7hp40793/EUrY6ctwbyv+xRNiPtuFgWus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )