UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j8qcQ3GGM+H+IMxQ29cIf9+svP7rkLLL7HfX/OIP3y0=' 
WHERE 
  key_id = '93f558ecb8052c899fc36737404e022171ba456a588f26305ca014f4b685a59a' 
  AND (
    token = 'j8qcQ3GGM+H+IMxQ29cIf9+svP7rkLLL7HfX/OIP3y0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )