UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'polVorCN4G+fFPSmUKEh1bYtPkuD19nz8uV6jZ+U3fE=' 
WHERE 
  key_id = '7be7fd3746db1e4d0da81561ed5da622d010a2e25347c4ebda8738e41bf1504e' 
  AND (
    token = 'polVorCN4G+fFPSmUKEh1bYtPkuD19nz8uV6jZ+U3fE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )