UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i8z6iemLF+X+9eTLIuRLQdKGC4HTPMKivOaAUT2EjLo=' 
WHERE 
  key_id = '568e569bca7f41eb3b87a4d195e7f6a91136af0e3f56aacd961e3869109cdfb5' 
  AND (
    token = 'i8z6iemLF+X+9eTLIuRLQdKGC4HTPMKivOaAUT2EjLo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )