UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6t4IvSsg7kNwRx1Yru2gK5xaF7ir7bb/Ur9lYQ8Y48k=' 
WHERE 
  key_id = '1b839e3d42cd0e9b1aa922b4ee83ac0811a143961e567b1421b474b1e2b89ca3' 
  AND (
    token = '6t4IvSsg7kNwRx1Yru2gK5xaF7ir7bb/Ur9lYQ8Y48k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )