UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'euYVbZ8QjZITRDGxfuR2HKvdEcNMUTtokDxt73+PWrE=' 
WHERE 
  key_id = 'b19638f02f01605d05b5cd58279e9efac4c2a1af73ec99249a97324926f9283f' 
  AND (
    token = 'euYVbZ8QjZITRDGxfuR2HKvdEcNMUTtokDxt73+PWrE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )