UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZSVxyVFJWnEJA8tAcbB44Ox9bw6JApEihhLK+8pfafg=' 
WHERE 
  key_id = '9a36530b3fe5c80aaf4290f9a6a7cb27f36ab657f061a108cec4eee586be3fa5' 
  AND (
    token = 'ZSVxyVFJWnEJA8tAcbB44Ox9bw6JApEihhLK+8pfafg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00040