UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y6vWCdlw5cCSLWzYTpWtP0n4TW0sQpbJo/UatB3ziko=' 
WHERE 
  key_id = '820979a2d2eb7aed186e9cafd5d68cd63e2e5688d84f5bb05d1a587e3ccbb706' 
  AND (
    token = 'y6vWCdlw5cCSLWzYTpWtP0n4TW0sQpbJo/UatB3ziko=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )