UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eR5Wprz5gidlPbNdJlQqOpzvDhfx7aBvPjgvAiVzVGM=' 
WHERE 
  key_id = '1a37c87c1a52361ae29da0ca4036b3e9b54941b241073f92375c43587a44875c' 
  AND (
    token = 'eR5Wprz5gidlPbNdJlQqOpzvDhfx7aBvPjgvAiVzVGM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )