UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+8pTCl0fLJXopgSUKMbg6TqsD74QZXTSXKUfhbq06YY=' 
WHERE 
  key_id = '538923c28be713095e9c78fb71680de794bbda28aa8492822aa354127cb290b2' 
  AND (
    token = '+8pTCl0fLJXopgSUKMbg6TqsD74QZXTSXKUfhbq06YY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )