UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dc5oahDGI/dOnhWykYF7xo2OVthakI2b3oEMTPM9uKw=' 
WHERE 
  key_id = 'a4800e408d639b469ed2e033bd7abcb5955adc73562b50510e73be02a5cac605' 
  AND (
    token = 'Dc5oahDGI/dOnhWykYF7xo2OVthakI2b3oEMTPM9uKw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )