UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ePZNr1WPRUiy5fsCsAn3mIVdA0HAMEeqVpmZN4ip5ps=' 
WHERE 
  key_id = 'b538fe1ce343025bf1776aee82b52bfba1824518099929e502b863e1d865e515' 
  AND (
    token = 'ePZNr1WPRUiy5fsCsAn3mIVdA0HAMEeqVpmZN4ip5ps=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )