UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4VUEYcXjipQ3oaVPSEL1jxm0gHDpNhtS2K2hvjiLVHw=' 
WHERE 
  key_id = 'b45e4ab1e17d1da3c9949199176ae30abfb0bff15f2fbe369cc67912f60bb846' 
  AND (
    token = '4VUEYcXjipQ3oaVPSEL1jxm0gHDpNhtS2K2hvjiLVHw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )