UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cItx2uMXK6lNNg7f134Qkbe+WxKd6/RWEt0H86zhCp0=' 
WHERE 
  key_id = 'b6f0395bdd1e9758b1d50e49a7a6aa2521751f871d3a545527c62c8923062f2a' 
  AND (
    token = 'cItx2uMXK6lNNg7f134Qkbe+WxKd6/RWEt0H86zhCp0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )