UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B3xq2PFJB/T/Bnc/rYfizSAQBP+qoAhdNAONDzvMIPY=' 
WHERE 
  key_id = '20715a58249a81a438bda05de534c1efa5194f744c52fda9bc141b3e63afc0c1' 
  AND (
    token = 'B3xq2PFJB/T/Bnc/rYfizSAQBP+qoAhdNAONDzvMIPY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )