UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KVSt2pZTs9ZBrJ+mwMdB+3Av/80FMYFdBIMP5auMbPo=' 
WHERE 
  key_id = '6afa45b877557133d35a6373691af1f01e2305a95fcf9cad92b680e138186450' 
  AND (
    token = 'KVSt2pZTs9ZBrJ+mwMdB+3Av/80FMYFdBIMP5auMbPo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )