UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3MMSBMo93bQ8zelF6aHB8eCNteDHY8yFpJdv4/gQZUo=' 
WHERE 
  key_id = '6b1c7a3b2aef69da5e0909d7572a0144da9f35f8ce6b234177f8ae9ef037b5cf' 
  AND (
    token = '3MMSBMo93bQ8zelF6aHB8eCNteDHY8yFpJdv4/gQZUo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029