UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T/esCdPf94J1vsQ4Bz9hEtZPnw83/SQ9JhIjfP6y4eE=' 
WHERE 
  key_id = 'a49bc98000b0b6a991e3583a7aa78488408ae768d74b1b5a7665501c6447be18' 
  AND (
    token = 'T/esCdPf94J1vsQ4Bz9hEtZPnw83/SQ9JhIjfP6y4eE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )