UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U3DUtYqj/Vm62w3UGLW7MxpAxmElUGNyf67fpg3xcms=' 
WHERE 
  key_id = '638aa1e540c53a5e54b677007b090948ca86f3b9653230538c0acfe943eba5ff' 
  AND (
    token = 'U3DUtYqj/Vm62w3UGLW7MxpAxmElUGNyf67fpg3xcms=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )