UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's15f52vD14e7AVmceHr/398ApWflygnoAFKPo5eCYKI=' 
WHERE 
  key_id = 'b55257bcd253f1c6fca0da73f1c16237b816214c7af698d8a8aff920b65a78bd' 
  AND (
    token = 's15f52vD14e7AVmceHr/398ApWflygnoAFKPo5eCYKI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )