UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lT3iCykXTCKAwMiWkjZxvdFVtV6YEE7EMxbKLIj0CJs=' 
WHERE 
  key_id = '68587eeec6c5aeec6791f49d61e6ce62109644040c51ea681f4288b7017c64b5' 
  AND (
    token = 'lT3iCykXTCKAwMiWkjZxvdFVtV6YEE7EMxbKLIj0CJs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )