UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'tnRN5rkP3KKf2Bkfpty2U4wfdlLdL+V3cfVUT2Xgsaw=' 
WHERE 
  key_id = '96fd8f224a8d923a1fd0b07942c9a3c0a5034a20d27537a34851c298d8d9062c' 
  AND (
    token = 'tnRN5rkP3KKf2Bkfpty2U4wfdlLdL+V3cfVUT2Xgsaw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )