UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qxtYx79g0gM2B3a3WSyPXisvPGLFyqxlCh0fGysC6D4=' 
WHERE 
  key_id = 'f8604272ce0c525436e2f3547f1b63437c7a47ed2e66d0dcfa0bc38db22cd7a4' 
  AND (
    token = 'qxtYx79g0gM2B3a3WSyPXisvPGLFyqxlCh0fGysC6D4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )