UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eqwaQ1Rtub9T55HKdIk94uNFeMTszsw6eYEY9MVSdKo=' 
WHERE 
  key_id = '81c7344904f38adf902e246f667d527f6ba3d1dc8908dd2ae6c2e4a01292e9f3' 
  AND (
    token = 'eqwaQ1Rtub9T55HKdIk94uNFeMTszsw6eYEY9MVSdKo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )