UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cnr4rc0I+LMzCzCTQBPM9Tu8cSfZNz9jNsCrUsjrc/A=' 
WHERE 
  key_id = 'c9d2d6c9f0a316bd300f80eb3689aee3ecde1789bb345cbd8a442eed75501a38' 
  AND (
    token = 'Cnr4rc0I+LMzCzCTQBPM9Tu8cSfZNz9jNsCrUsjrc/A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )