UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u4U0t8xwMOw5niXqaevgtpZmbQeO4wkiEGznTldJcHQ=' 
WHERE 
  key_id = '08a73ecfa56e3020263b32c1959a846b4ce1c28552fba03663c8e05bab304442' 
  AND (
    token = 'u4U0t8xwMOw5niXqaevgtpZmbQeO4wkiEGznTldJcHQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )