UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R53RBbsdEN24Dg2wi8YWtwUGlQ00KH52ACZShwul0I4=' 
WHERE 
  key_id = '515b74240eeb0f36b74aad2f4fdccca56d6d589e2b31b40ac5fb33737da92036' 
  AND (
    token = 'R53RBbsdEN24Dg2wi8YWtwUGlQ00KH52ACZShwul0I4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )