UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'blzKENxPn1N9/tUu7YQoTvHzb7vKHBL/qz46nK4/f+g=' 
WHERE 
  key_id = '936c1e752c14d240cb710e02c207ba8068ec9edf12218534b1a139fa8bab07dc' 
  AND (
    token = 'blzKENxPn1N9/tUu7YQoTvHzb7vKHBL/qz46nK4/f+g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )