UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'deByJA5Q0mWxkKy+dWl7srSACIhwc61xRGJUHo1GtzU=' 
WHERE 
  key_id = '491dadeb2ef3424be9d4bfc7a7994d8c0fb1cd56897eb48fae4bc1b4724e6029' 
  AND (
    token = 'deByJA5Q0mWxkKy+dWl7srSACIhwc61xRGJUHo1GtzU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035