UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5hD2J5lRJSPMF2A4m7Ymejh+Tjjv0Tf/Xz1r1sQIM1w=' 
WHERE 
  key_id = '873c75670e342e32a5f2d79c8f143e163a55f202b09c9a59ece995c257f7f94e' 
  AND (
    token = '5hD2J5lRJSPMF2A4m7Ymejh+Tjjv0Tf/Xz1r1sQIM1w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021