UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ar/0ST+TZp3YOR3GsrWtkgEtrgdz91WwDwHpxPOb6Xk=' 
WHERE 
  key_id = 'cc2529f586cfa9d478e1812c6f0e7a8140a80193fb5a7e3eec89fd2a42f0b1a7' 
  AND (
    token = 'Ar/0ST+TZp3YOR3GsrWtkgEtrgdz91WwDwHpxPOb6Xk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030