UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DN3dmdresMlP5g4yvgMy1AdbMN1xQaAUlp9XVKVPUIg=' 
WHERE 
  key_id = '3081b7b3aa30c0ac8c914d474b61973595cd7942c56b45fee3a298811baa1523' 
  AND (
    token = 'DN3dmdresMlP5g4yvgMy1AdbMN1xQaAUlp9XVKVPUIg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )