UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bkfPzp/PAOUY1+3GH8duZ7HJwbn8DW44iOasiKMbDaM=' 
WHERE 
  key_id = '05a9641a3c0bb6300e581ec1de2c8474d3ee72362ef1b2d9ecd442e0f2b1167a' 
  AND (
    token = 'bkfPzp/PAOUY1+3GH8duZ7HJwbn8DW44iOasiKMbDaM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045