UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A4sVwO8p8ijo6mkckS/oEdGScTXvU8mYfv3Ss9zsbpM=' 
WHERE 
  key_id = '187913f2610297e4ad5140c64ac2546d3272e70dff01fccbc504d55d3bb5d3cf' 
  AND (
    token = 'A4sVwO8p8ijo6mkckS/oEdGScTXvU8mYfv3Ss9zsbpM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021