UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YWGE/yhi+rG4L1y3ADdbRQ0hw7VZRlrzaByFEomq5LI=' 
WHERE 
  key_id = 'a556e16fc718eb963ce87f2f5883e4b184b382d219cd6e5293f9b92879a9ed1e' 
  AND (
    token = 'YWGE/yhi+rG4L1y3ADdbRQ0hw7VZRlrzaByFEomq5LI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00054