UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PofyHN4iRfLKyA9GgoX/murUb4AYD+8mIbPBFNfpmjA=' 
WHERE 
  key_id = '55a8f6e4c1dcd42b9858c18d7115f9290542c446e783420e6a712559ae0d62c1' 
  AND (
    token = 'PofyHN4iRfLKyA9GgoX/murUb4AYD+8mIbPBFNfpmjA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )