UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K+wH15zl0XaiTatZxt8tpsAbIxzcc57esuoPYjvaqPQ=' 
WHERE 
  key_id = '8e82ee180a7170ca2e70c523781de51edf94e0e1a00c286248be1373137d3627' 
  AND (
    token = 'K+wH15zl0XaiTatZxt8tpsAbIxzcc57esuoPYjvaqPQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045