UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lSbeXYQvb9s+1hnhw72t8CKvHnxmfxuTDPiCJ3tRrgc=' 
WHERE 
  key_id = 'a235fd02d7dd7eb79c2122c10389b71fac04b4fc66dfc5262c70e02a0d1b69b8' 
  AND (
    token = 'lSbeXYQvb9s+1hnhw72t8CKvHnxmfxuTDPiCJ3tRrgc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028