UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mE+BRW51CqVbwFSkdDBI6NgdN83bGi6T2SX9olW0al8=' 
WHERE 
  key_id = '016239aa20578bf52fd54c87c3f05177f5d329364b6a687a9b1f35d60cc4378d' 
  AND (
    token = 'mE+BRW51CqVbwFSkdDBI6NgdN83bGi6T2SX9olW0al8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )