UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Tfw1RSGjsMQvGbD3i2L726yWiTqYIEfB9eGu+VP25AM=' 
WHERE 
  key_id = '336fde103d1bc0834f2be860f22d98e7556e0975c356a9efbe5fa6c6983f9ec8' 
  AND (
    token = 'Tfw1RSGjsMQvGbD3i2L726yWiTqYIEfB9eGu+VP25AM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00043