UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N9ItmDcAUKp+mYJq+JddNFqfpQdf+vCtyHAU3ilsjnk=' 
WHERE 
  key_id = '50fc41b533853dac6c5bef87dedd50a2d6cebeedc7d31e422e5061c19815f74b' 
  AND (
    token = 'N9ItmDcAUKp+mYJq+JddNFqfpQdf+vCtyHAU3ilsjnk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )