UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NhvkMPu37Ra2wo2iTxsAcZ20DWFswR73/Fs5MiECqy0=' 
WHERE 
  key_id = '393e95c07d197e44eb5145c0e768a82e605abfc0d9590525affafda521363cc3' 
  AND (
    token = 'NhvkMPu37Ra2wo2iTxsAcZ20DWFswR73/Fs5MiECqy0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )